NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the sky ...

July 3 (UPI) -- NASA discovered the third interstellar comet through a survey telescope in Rio Hurtado, Chile. The ...

The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth? A discovery ...

The "One Big Beautiful Bill," now enacted, directs that space shuttle Discovery be removed from the Smithsonian and placed on ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain life.

NASA has discovered a rare interstellar object named 3I/ATLAS—only the third of its kind ever detected. The comet, which ...

Curiosity, NASA's Mars rover, accidentally cracked open a seemingly ordinary rock, revealing an unexpected yellow substance ...