Latest Comet 3I/ATLAS news: Closest approach to Earth this week
Space
Latest Comet 3I/ATLAS news: Comet close approach today
Friday, Dec. 19, 2025: Your daily feed for the holiday flyby of interstellar comet 3I/ATLAS by Earth.
 Posted into Space.com @npub1x95d...cxu8
Interstellar comet 3I/ATLAS wasn't supposed to be there — meet the astronomer who discovered it
Space
Interstellar comet 3I/ATLAS wasn
Dr. Larry Denneau of the University of Hawaii is nothing like your typical astronomer.
 Posted into Space.com @npub1x95d...cxu8
Wildfire smoke lofted miles high could have an unexpected effect on Earth's climate
Space
Wildfire smoke lofted miles high could have an unexpected effect on Earth
In one study, these particles from high-altitude wildfire smoke created a dramatic cooling effect not accounted for in current climate models.
 Posted into Space.com @npub1x95d...cxu8
NASA's Parker Solar Probe captures solar wind doing a 'U-turn'
Space
NASA
NASA
 Posted into Space.com @npub1x95d...cxu8
Steven Spielberg finally reveals 1st trailer for new UFO film 'Disclosure Day', and now we're terrified
Space
Steven Spielberg finally reveals 1st trailer for new UFO film
Emily Blunt and Josh O
 Posted into Space.com @npub1x95d...cxu8
NASA's MAVEN spacecraft is still silent at Mars — and apparently is spinning, too
Space
NASA
MAVEN
 Posted into Space.com @npub1x95d...cxu8
Stay up late tonight to watch Europe's Ariane 6 rocket launch its 1st pair of Galileo navigation satellites
Space
Europe
Liftoff occurred at 12:01 a.m. EST on Wednesday (Dec. 17).
 Posted into Space.com @npub1x95d...cxu8
Watch Japanese H3 rocket launch Michibiki 5 navigation satellite tonight
Space
Launch of Japan
Liftoff had been scheduled for 9:10 p.m. ET tonight (Dec. 16).
 Posted into Space.com @npub1x95d...cxu8
How to watch 'Fallout' Season 2 online and from anywhere
Space
How to watch
Okey Dokey! Prime Video
 Posted into Space.com @npub1x95d...cxu8
James Webb Space Telescope discovers a lemon-shaped exoplanet unlike anything seen before: 'What the heck is this?'
Space
James Webb Space Telescope discovers a lemon-shaped exoplanet unlike anything seen before:
"This was an absolute surprise. It
 Posted into Space.com @npub1x95d...cxu8