At times, the sun ejects energetic material into space, which can have consequences for space-based and even ground-based ...

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

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, ...

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...

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, ...

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 ...

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 ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of ...

The solar system is 4.54 billion years old, based on rock dating. Gas giants (Jupiter and Saturn) likely formed first. Ice giants (Uranus and Neptune) probably formed next. Rocky planets formed last, ...

Comet 3I/ATLAS is only the third known object to barrel into our neighborhood from interstellar space, and it is already ...

• 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 ...