Harvard astronomer Avi Loeb has argued at length that 3I/ATLAS — the third-ever interstellar object ever detected, currently screaming through the solar system at incredible speed — could be an ...

An ancient comet discovered in our solar system this summer is offering a rare opportunity to learn more about distant planetary systems far beyond the reach of any spacecraft, researchers say. The ...

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a quarter-century old, primarily dead rockets left to hurtle through space at the end ...

The subject line of the email to KTLA 5 News was like many others purporting to have footage of UFOs: “Caught on video: Object flying across the sky.” The viewer, Michael, shared his location, ...

Poland's defense minister said that a flying object that crashed and exploded in a cornfield in eastern Poland early Wednesday was identified as a Russian drone, calling it a provocation by Russia. At ...

"When you put it into context, Punctum is astonishingly bright." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A bewilderingly powerful mystery ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here are all of your questions answered. When you purchase through links on our ...

Movie stars are usually the biggest draw to movies for fans. They are usually who get the most credit for the popularity of a movie (as well as the blame when a movie bombs). On rare occasions, there ...