Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

Want to play like a star? Celebrities aren't content with red carpets and VIP parties: they're also addicted to video games!

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...