However, astronomers in Hawaii just spotted a pair of exciting discoveries — a huge exoplanet and a brown dwarf — using Japan ...

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

Star clusters are of great importance in any galaxy: they are the birthplace of new stars, often containing massive stars of ...

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...

Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

Using a powerful combination of space-based measurements and Subaru’s advanced imaging, astronomers have discovered two rare companions, one of which enables a key test for NASA’s Roman Space ...

NASA has completed assembly of the Nancy Grace Roman Space Telescope, preparing for final testing and launch by May 2027 to ...

The sixth day of the 18th annual Space Telescope Advent Calendar features the final act of a star near the end of its life.

The discovery of two remarkable substellar companions orbiting distant stars has been announced by an international team of ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

The unique system features two rare Wolf-Rayet stars, and a supergiant companion that is interrupting the flow of the dust shells that the two Wolf-Rayet stars cast off.