Astronomy News 5 December 2025

G3 Geomagnetic Storm Watch: Will the Northern Lights Be Visible Tonight? (December 8, 2025)

Published: December 8, 2025 A powerful burst from the Sun has set up a Strong (G3) geomagnetic storm watch for tomorrow, December 9, 2025 – and many skywatchers are asking whether the Northern Lights could already be visible tonight, Monday,

8 December 2025

Astronomy·Northern Lights·Science News

Interstellar Comet 3I/ATLAS Erupts with Activity in New NASA and ESA Images Ahead of December 19 Earth Approach

Hubble, ESA’s Juice spacecraft and ALMA are now all locked onto the rare interstellar visitor 3I/ATLAS, revealing dramatic jets, twin tails and a rich mix of organic molecules as the comet makes a safe, distant pass through the inner solar

8 December 2025

Astronomy·Comets·NASA·Science News·Space Exploration

Interstellar Comet 3I/ATLAS: Ice Volcanoes, Life’s Building Blocks and the December 19 Flyby — Latest Updates as of December 8, 2025

As of December 8, 2025, interstellar comet 3I/ATLAS (also known as C/2025 N1 (ATLAS)) has gone from an obscure discovery to a global headline-maker. New observations are revealing cryovolcano‑like eruptions, an atmosphere rich in prebiotic molecules, and spectacular images from NASA and ESA ahead of its December 19 close approach to

8 December 2025

Astronomy·Comets·Scientific Discoveries·Space Exploration

Interstellar Comet 3I/ATLAS Lights Up December Skies: New Images, ‘Ice Volcanoes’ and Life‑Linked Molecules

Published December 7, 2025 Interstellar comet 3I/ATLAS – only the third confirmed visitor ever seen passing through our Solar System from another star – is putting on its biggest show yet this December. As it brightens again after looping behind the Sun,

7 December 2025

Astronomy·Comets·Scientific Discoveries·Space Exploration

Interstellar Comet 3I/ATLAS Lights Up the Solar System: New Hubble and Juice Images Reveal Jets, Dual Tails and a Puzzling ‘Heartbeat’

As of December 7, 2025, interstellar comet 3I/ATLAS has become the most closely watched object in the sky. In just a few days, NASA, ESA and independent astronomers have released a flood of new images and analyses: Hubble’s fresh November

7 December 2025

Astronomy·Comets·Space Exploration

Interstellar Comet 3I/ATLAS: Hubble, ESA’s Juice and ‘Ice Volcanoes’ Transform Our View of a Wild Interstellar Visitor

As of December 6, 2025, astronomers around the world are racing to squeeze every possible observation out of interstellar comet 3I/ATLAS – only the third known object ever seen passing through our solar system from another star. Fresh images from

6 December 2025

Astronomy·Comets·Interstellar Objects·Space Exploration

Carrington-Class Sunspot, G3 Geomagnetic Storm and Cold Moon Supermoon: What to Know on December 6, 2025

On 6 December 2025, three major space-weather stories are converging in Earth’s skies: Here’s what that all means for power grids, satellites, northern lights hunters and anyone heading outside to enjoy the sky. 1. The giant AR 4294–4296 sunspot complex

6 December 2025

Astronomy·Science News

Giant Carrington-Class Sunspot, Geomagnetic Storms and the ‘Cold Supermoon’: What’s Happening in the Sky on December 6, 2025

On Saturday, December 6, 2025, space weather and night-sky fans are watching an unusual mix of cosmic events: Here’s what you need to know now, what’s already happened, and what to watch for over the next couple of nights. A

6 December 2025

Astronomy

Interstellar Comet 3I/ATLAS: New Hubble Image, JUICE Flyby and ‘Ice Volcanoes’ Reveal a Peculiar Alien World

Published: 5 December 2025 A once‑in‑a‑lifetime interstellar visitor hits the headlines again Interstellar comet 3I/ATLAS has just delivered a fresh burst of science – and controversy. Over the last few days, NASA’s Hubble Space Telescope has captured a new high‑resolution

5 December 2025

Astronomy·Comets·Space Exploration

Interstellar Comet 3I/ATLAS: Hubble’s New Image, Psyche’s Data and ‘Ice Volcano’ Hints as of December 5, 2025

On December 5, 2025, astronomers around the world are laser‑focused on one object: interstellar comet 3I/ATLAS, only the third known visitor from another star system to sweep through our solar neighborhood. Fresh Hubble images, new spacecraft observations and a provocative study about possible

5 December 2025

Astronomy·Comets·Space Exploration

NASA News Today, December 5, 2025 – Roman Space Telescope Completed, Artemis Moon Missions, Comet 3I/ATLAS and Satellite Swarm Threats

Published December 5, 2025 NASA is closing out 2025 with a flood of major developments: its next flagship space telescope is now fully assembled, scientists are warning that satellite swarms could seriously damage future space astronomy, an interstellar comet is

5 December 2025

Astronomy·Satellite Technology·Space Exploration

Moon Tonight, December 5, 2025: How to See the Last Cold Supermoon of the Year

On Friday night, December 5, 2025, the Moon is still basking in the glow of the year’s final full “Cold” supermoon — and to the naked eye, it will look gloriously full all over again. The exact moment of full phase occurred yesterday (Thursday,

5 December 2025

Astronomy·Night Sky·Space Events·Stargazing

Astronomy News 5 December 2025 - 8 December 2025