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

At hundreds of millions of kilometers from Earth, an interstellar comet has made an engineering-grade diagnostic: a ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

The third known visitor from interstellar space, comet 3I/ATLAS, is putting on a show that plays out in high‑energy light ...

The sun’s outer atmosphere resembles a pufferfish. That’s what scientists have gleaned from the first verified maps of the shifting boundary between the sun and the rest of the solar system. “The ...

Olympus Mons is a giant volcano on Mars. It is the tallest mountain in space. It is almost three times higher than Mount ...

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

Ammonite belongs to an ultra rare family of bodies called sednoids. Only four are known so far: Sedna, 2012 VP113, Leleākūhonua, and now Ammonite. All of them travel on elongated orbits that never ...

Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet ...

Scientists believe the map could shed light on how Antarctica's vast ice sheet will respond to climate change.