The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

Is it possible there's alien life closer to home — within the bounds of our solar system? The short answer is yes ... and ...

SpaceX is scheduled to launch NASA’s Interstellar Mapping and Acceleration Probe (IMAP) mission at 7:30 a.m. ET on Wednesday, from Launch Complex 39A at Kennedy Space Center.

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

CAPE CANAVERAL, Fla. — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the sky-surveying Atlas telescope in Chile ...

Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission has launched to map it like never before.

On Sept. 21-22, a partial solar eclipse will see the moon sweep over the sun's disk, blocking its light over a swathe of the ...

Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's alien life closer to home — within the bounds of our solar system? The ...