On the exoplanet Janssen, heat from its host star and immense pressure have made the world something of a hellscape, with the potential for lava flowing across its surface. But amid the fiery chaos, ...

Massive galaxies? Dusty black holes? Black hole stars? Scientists have raised a lot of theories around what the crimson blobs ...

Peering far into the distant, high-redshift universe, the James Webb telescope has discovered an abundance of small red ...

Millions of light-years away, millions of years ago, a star exploded. In this violent process, it ejected incredible amounts of mass, including carbon, nitrogen and oxygen—the building blocks of life.

Today:Early fog in the far southwest clears quickly. Most areas stay dry with sunshine and variable cloud, though northern and northeastern regions may see isolated showers. Light winds overall, ...