Crews were on the scene Wednesday night after a fire broke out inside a home in Allegheny County. County dispatchers ...

Deep beneath the surface of distant exoplanets known as super-Earths, oceans of molten rock may be doing something ...

Yet much about the landscape under the ice has been uncertain, because ground and air surveys are difficult in the region.

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

Astronomers tracking the skies around our planet have picked up two very different cosmic companions: a vast interstellar ...