Coiled and snakelike, a set of four identical shells surrounds a violent stellar dance 8,000 light-years from Earth.

Aschbacher named experienced German astronauts Matthias Maurer and Alexander Gerst as candidates for this Moon trip, ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

It looks and behaves like a comet, and all evidence points to it being a comet.” With that blunt statement, NASA Associate Administrator Amit Kshatriya ended weeks of speculation that interstellar ...

Watch how JW Telescope detects temperature on Trappist 1 b. Credit: Space.com | animation courtesy: ESO/L. Calçada / Space ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...

An international team including astronomers from the University of Geneva (UNIGE) and the National Center of Competence in ...

Published in Nature Astronomy, the findings represent a first: while helium escape has been observed before, this is the ...

Astronomers are reporting new findings about 3I/ATLAS, the rare interstellar comet now moving through the outer solar system, as NASA and research institutions expand monitoring of the object's ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...