Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

Observations of the fast-moving interstellar comet with the Very Large Telescope in Chile support similar observations made ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...

Originally launched in 1977 to explore the outer planets, Voyager 1 transformed scientists' understanding of Jupiter and ...

Nearly 50 years ago, NASA launched what would become its first interstellar spacecraft, and this year Voyager 1 is set to ...

To boldly go. SpaceTrek, the program that encourages interstellar careers for girls and young women across Appalachia, is getting ready to ...

While Omega can trumpet its cinematic ties to James Bond and Tag Heuer continues to mine Steve McQueen's Le Mans, Hamilton is ...

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...

Astronomers have identified GJ 3378b, a super-Earth located 25 light-years away, in the habitable zone of its star, raising ...