Some of the most important asteroid searches are done at exactly the time of night when satellite trails are hardest to avoid. That overlap is becoming a structural problem for planetary defense.

It’s a practice run for armageddon. With 3I/ATLAS days away from making its closest approach to Earth, agencies worldwide are conducting the largest and most extensive planetary defense drill — with ...

We need an enhanced version of SUNSET to establish a space-based, combined discovery and early-warning system for NEOs (Near Earth Objects). If we use multiple satellites traveling ahead of Earth on ...

Astronomers assemble! Here's your chance to help make better predictions. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A newly found ...

JWST imaged 2024 YR4 in late March, making it the smallest object the telescope had imaged to date. The data its instruments collected indicate that based on the amount of heat it gives off, 2024 YR4 ...

The asteroid Apophis, nicknamed the 'God of Chaos,' will be approaching Earth on 13 April 2029, with NASA suggesting it will pose no risk of impact ...