Astronomy News: 16 September 2025

‘God of Chaos’ Asteroid Apophis to Skim Earth in 2029 – Inside the Historic Flyby and the 3 Probes Racing to Study It

Overview: Meet Asteroid Apophis, the “God of Chaos” 99942 Apophis is a near-Earth asteroid that shot to notoriety soon after its discovery in 2004. On June 19, 2004, astronomers Roy Tucker, David

20 September 2025

Solar System’s Hidden Edge: NASA’s Bold Quest to Map the Invisible Cosmic Boundary

The Solar System’s Invisible Boundary – What and Where Is It? When we gaze up at the night sky, it’s easy to imagine the solar system simply fading into the depths of

19 September 2025

Astronomy · Cosmic Boundaries · NASA Missions · Solar System · Space Exploration

Black Hole Feasts, AI for Teens & Climate Alarms: Science News Roundup (Sept 18–19, 2025)

Space & Astronomy Record-Breaking Black Hole Growth Astronomers have identified a “black hole on overdrive” in the early universe, feeding faster than theory predicted. The supermassive black hole — about a billion

19 September 2025

Artificial Intelligence · Astronomy · Climate Change · Science · Youth & Tech

Don’t Miss This Weekend’s Celestial Show: Moon & Venus Dawn Dance, Saturn at Peak Brightness, and Aurora Alerts

In-Depth: This Weekend’s Celestial Highlights (Sept. 19–20, 2025) 1. A Dazzling Dawn Conjunction (Moon, Venus & Regulus) – Sept. 19 & 20 If you’re up early, look east before sunrise on Friday,

19 September 2025

Astronomy · Aurora · Celestial Events · Planetary Science · Stargazing

Don’t Miss 2025’s Rare Triple Conjunction: Moon, Venus & Regulus Light Up Dawn Sky

A Rare Celestial Trio in Context Triple Conjunction is the term for an apparent meeting of three celestial bodies in close proximity in the sky. In astronomy, a conjunction means two or

18 September 2025

Astronomy · Moon · Planets · Skywatching · Space Events

6,000 Exoplanets and Counting: NASA’s Cosmic Milestone in Planet Discovery

What Are Exoplanets, and Why Does 6,000 Matter? Exoplanets are planets that orbit a star other than our Sun – in other words, worlds beyond our own solar system. Some even drift

18 September 2025

Astronomy · Discoveries · Exoplanets · NASA · Space

6,000 Alien Planets & a Healing Ozone Layer: Biggest Science News (Sept 17-18, 2025)

Key Facts Space Exploration: 6,000 New Worlds & Starship Progress In a milestone for astronomy, NASA confirmed the 6,000th exoplanet – planets orbiting other stars – in its records this week. The

18 September 2025

Astronomy · Environmental Science · Planetary Science · Science News · Space Exploration

Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

Rare Interstellar Comet Racing Through Our Solar System Could Be the Oldest Ever Seen

A Mysterious Visitor from Beyond the Solar System Interstellar comet 3I/ATLAS photographed under dark skies during a lunar eclipse, revealing an emerald-green coma surrounding its nucleus space.com. This rare alien comet carries

17 September 2025

Astronomy · Comets · Science · Solar System · Space

Mysterious Comet SWAN R2: New Interstellar Visitor or Oort Cloud Wanderer?

Discovery of Comet C/2025 R2 (SWAN) Comet C/2025 R2 (SWAN) was spotted in early September 2025 in a rather unconventional way – by searching for faint glows in SOHO satellite images. The

17 September 2025

Astronomy · Astrophysics · Comets · Science News · Space Exploration

Rare Meteor Shower, Auroras & Planetary Spectacles: Skywatch Alert (Sept 17–18, 2025)

Key Facts Below is your full skywatching guide for the nights of September 17–18, 2025, with details on each phenomenon and tips for viewing. Clear skies! Meteor Showers: Slow Shooting Stars of

17 September 2025

Astronomy · Auroras · Meteor Showers · Skywatching · Space Events

Rocket Launch Frenzy, Solar Surprises & Space Race Showdowns: 48 Hours of Space News (Sept 16–17, 2025)

Rapid-Fire Rocket Launches and Satellite Deployments SpaceX’s Starlink blitz: SpaceX continued its high-frequency launch campaign, highlighting how routine orbital deployment has become. On Wednesday, Sept. 17, a Falcon 9 rocket lifted 24 Starlink V2

17 September 2025

Astronomy · Rocket Launches · Solar Events · Space News · Space Race

Baby Black Hole Booted Across Space: First-Ever Measurement of a Cosmic “Natal Kick”

A Cosmic Kick: Newborn Black Hole Sent Careening Through Space On April 12, 2019, two black holes collided 2.4 billion light-years away – an event detected as gravitational-wave signal GW190412. What happened

16 September 2025

Astronomy · Astrophysics · Black Holes · Cosmic Phenomena · Space

Astronomy News: 16 September 2025 - 20 September 2025