NASA said this week that it was working fine before it went behind the red planet. When it appeared again, there was only silence.

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

NASA's James Webb Space Telescope (JWST) has identified the earliest supernova on record, according to a statement released ...

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.