NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.

Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

Scientists have long believed that comets and a type of very primitive meteorite called carbonaceous chondrites were the sources of early Earth’s volatile elements — which include hydrogen, nitrogen, ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

Oh, we humans do love a cleanly defined boundary, don’t we? They make things easier, after all. If we’re trying to categorize something, knowing what labeled bin to put it in is handy. If we’re ...

Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare ...

"If there are lots of black holes out there, some of them must surely pass through our backyard every now and then." When you purchase through links on our site, we may earn an affiliate commission.

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be another nail in the coffin for the Planet Nine hypothesis. When you purchase ...

• Away from home: Use a VPN such as NordVPN to watch your usual service from anywhere After the success of TV shows such as "Planets" and "Adventures in Space and Time", Brian Cox is back with a new ...