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Space Exploration News 11 December 2025 - 22 December 2025

Comet 3I/ATLAS Today (22 December 2025): The Latest Science, Spacecraft Views, and “Radio Signal” Reality Check

Comet 3I/ATLAS Today (22 December 2025): The Latest Science, Spacecraft Views, and “Radio Signal” Reality Check

As of 22.12.2025, the interstellar comet 3I/ATLAS—only the third confirmed object from beyond our solar system—is already on its way out again. Its closest pass by Earth happened just days ago, and while the comet never came anywhere near “close” in a human sense, the flyby has triggered a wave of fresh data releases, rapid-response observations, and (inevitably) some internet-fueled…
22 December 2025
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Comet 3I/ATLAS Today (Dec. 20, 2025): Europa Clipper’s UV Surprise, Parker Solar Probe Images, and the Latest Forecast

Comet 3I/ATLAS Today (Dec. 20, 2025): Europa Clipper’s UV Surprise, Parker Solar Probe Images, and the Latest Forecast

December 20, 2025 — The rare interstellar visitor known as Comet 3I/ATLAS is now past its closest approach to Earth and heading back out toward the outer solar system. But “past” doesn’t mean “gone.” Today’s updates include a new research release describing ultraviolet measurements from NASA’s Europa Clipper that captured the comet when Earth- and Mars-based observers had limited views,…
20 December 2025
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Interstellar Comet 3I/ATLAS Today: Latest Dec. 17, 2025 Updates Ahead of Its Dec. 19 Earth Flyby

Interstellar Comet 3I/ATLAS Today: Latest Dec. 17, 2025 Updates Ahead of Its Dec. 19 Earth Flyby

Two days before it reaches its closest point to Earth, interstellar comet 3I/ATLAS is giving astronomers and serious backyard skywatchers a rare, time-limited opportunity: observe a visitor that formed around another star, then wandered into our solar system on a one-way trip back to interstellar space. The flyby itself isn’t close in the everyday sense—NASA says 3I/ATLAS will remain about 1.8 astronomical unitsfrom…
18 December 2025
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Jared Isaacman NASA Today: Senate Confirms Billionaire Spaceflight Veteran as New NASA Administrator (Dec. 17, 2025)

Jared Isaacman NASA Today: Senate Confirms Billionaire Spaceflight Veteran as New NASA Administrator (Dec. 17, 2025)

WASHINGTON — Jared Isaacman, the billionaire entrepreneur and private astronaut best known for commanding the all-civilian Inspiration4 mission and SpaceX’s Polaris Dawn, was confirmed by the U.S. Senate on Wednesday, December 17, 2025, to lead NASA. The confirmation vote was 67–30, elevating Isaacman to the role of NASA administrator at a moment when America’s civil space program is juggling high-profile…
18 December 2025
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Interstellar Comet 3I/ATLAS Nears Closest Earth Flyby on Dec. 19: New X‑ray Views, UN Tracking, and What Scientists Know Now

Interstellar Comet 3I/ATLAS Nears Closest Earth Flyby on Dec. 19: New X‑ray Views, UN Tracking, and What Scientists Know Now

December 15, 2025 — A rare visitor from beyond our solar system is making its final, headline-worthy sweep through the inner neighborhood — and the countdown to its closest pass by Earth is nearly over. Interstellar comet 3I/ATLAS (also designated C/2025 N1 (ATLAS)) will reach its closest approach to Earth on Friday, December 19, 2025, staying a safe ~1.8 astronomical units away — about 270 million kilometers (167–170…
15 December 2025
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Comet 3I/ATLAS Today (Dec. 15, 2025): The Interstellar Visitor Turns Green Ahead of Its Dec. 19 Flyby

Comet 3I/ATLAS Today (Dec. 15, 2025): The Interstellar Visitor Turns Green Ahead of Its Dec. 19 Flyby

On December 15, 2025, the solar system’s most talked-about “visitor” is back in headlines for two very comet-like reasons: it’s brightening and it’s glowing green. The object is Comet 3I/ATLAS—often shortened to “3I/Atlas comet”—the third confirmed interstellar object ever found passing through our neighborhood, after 1I/ʻOumuamua (2017) and 2I/Borisov (2019).  Space Today’s coverage is focusing on what observers are seeing now that 3I/ATLAS has re-emerged for sustained viewing after its…
15 December 2025
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SpaceX Starlink Launches Dec. 15, 2025: Falcon 9 Sends 29 Satellites to Orbit from Cape Canaveral After Historic 550th Booster Landing

SpaceX Starlink Launches Dec. 15, 2025: Falcon 9 Sends 29 Satellites to Orbit from Cape Canaveral After Historic 550th Booster Landing

CAPE CANAVERAL, Fla. — SpaceX opened Monday with another late-night-to-early-morning Starlink push, lofting 29 internet satellites into low Earth orbit from Florida’s Space Coast just hours after a separate Starlink mission out of California marked a major milestone in booster reusability. At 12:25 a.m. EST (0525 GMT) on Dec. 15, a Falcon 9 rocket rose from Space Launch Complex 40…
15 December 2025
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Moon in December 2025: Waning Crescent Tonight, New Moon Date, Geminids Peak, and NASA’s Latest Lunar Push

Moon in December 2025: Waning Crescent Tonight, New Moon Date, Geminids Peak, and NASA’s Latest Lunar Push

December 14, 2025 is shaping up as one of the most “Moon-centric” nights of the month—not because the Moon is bright and dominating the sky, but because it isn’t. With the Moon now a waning crescent and shrinking toward the New Moon on December 19, skywatchers are getting darker skies right as the Geminid meteor shower reaches its peak window.  WUSF At the same time, December’s Moon…
14 December 2025
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Comet 3I/ATLAS Update (Dec. 13, 2025): New Green Glow, First X‑Ray Views, and What’s Next for the Interstellar Visitor

Comet 3I/ATLAS Update (Dec. 13, 2025): New Green Glow, First X‑Ray Views, and What’s Next for the Interstellar Visitor

On December 13, 2025, Comet 3I/ATLAS—the third confirmed interstellar object ever found crossing our solar system—is back in the headlines as astronomers release fresh observations that deepen the mystery (and the science) of this rare cosmic flyby. It’s not just “another comet”: 3I/ATLAS is an outsider from beyond the Sun’s gravitational family, racing through on a hyperbolic path that proves…
13 December 2025
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Comet 3I/ATLAS Update (Dec. 12, 2025): First X‑Ray View, Green Glow, and How to Spot the Interstellar Visitor

Comet 3I/ATLAS Update (Dec. 12, 2025): First X‑Ray View, Green Glow, and How to Spot the Interstellar Visitor

On December 12, 2025, the rare interstellar comet 3I/ATLAS (also written 3I/Atlas) is back in headlines for two reasons: a newly released X‑ray view from ESA’s XMM‑Newton and fresh Gemini North telescope images showing the comet looking noticeably greener—all as the object heads toward its closest approach to Earth on December 19(still very far away, and not a threat).  NASA Science What’s new today: 3I/ATLAS shines in X‑rays and shifts greener…
13 December 2025
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NASA Loses Contact With Critical MAVEN Mars Orbiter: What the Sudden Silence Means for Future Missions

NASA Loses Contact With Critical MAVEN Mars Orbiter: What the Sudden Silence Means for Future Missions

NASA is racing to re‑establish contact with MAVEN, a Mars orbiter that has quietly underpinned Red Planet science and communications for more than a decade, after the spacecraft unexpectedly fell silent on December 6, 2025. NASA Science The loss of signal raises urgent questions about the health of the spacecraft, the resilience of NASA’s aging Mars communications network, and the…
11 December 2025
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NASA Loses Contact With MAVEN Mars Orbiter: What the Silent Spacecraft Means for Future Mars Missions

NASA Loses Contact With MAVEN Mars Orbiter: What the Silent Spacecraft Means for Future Mars Missions

NASA is racing to re-establish contact with one of its most important Mars orbiters after an unexpected loss of signal on December 6, 2025. Key facts at a glance What happened to MAVEN? NASA’s MAVEN spacecraft, which has been orbiting Mars since 2014, stopped talking to Earth on December 6, 2025. Before the blackout, telemetry showed the spacecraft behaving normally…
11 December 2025
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Stock Market Today

  • Snowflake Stock Falls 2.1% Amid Mixed Analyst Ratings and Insider Selling
    January 20, 2026, 10:28 PM EST. Snowflake Inc. (NYSE:SNOW) shares dropped 2.1% to $206.06 on Tuesday, underperforming despite beating quarterly earnings estimates with $0.35 EPS and revenue rising 28.7% year-over-year to $1.21 billion. Trading volume was down 20% from average levels. Analysts remain divided: KeyCorp raised its target to $285 with an "overweight" rating, DA Davidson holds a "buy" at $300, while Sanford Bernstein and Macquarie maintain more cautious views. Insider selling was noted as SVP Vivek Raghunathan offloaded 11,801 shares at $220.44, reducing his position by just over 5%. Snowflake's market cap stands at $70.5 billion, with a consensus rating of "Moderate Buy" and an average target price near $276, reflecting ongoing optimism but some investor wariness amid a negative return on equity.
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