Katalyst Space Technologies will use Northrop Grumman's air-launched Pegasus rocket for its upcoming mission, which will send ...

See the iconic Pillars of Creation in this 3D visualization created from James Webb and Hubble Space Telescope data. Credits ...

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn ...

The James Webb Space Telescope was built with a flaw, and because it's a million miles away, we can't repair it, but we can ...

Despite having discovered more exoplanets than any other telescope, Kepler has been retired for the very simple reason that ...

NASA officials dismissed theories that the interstellar 3I/ATLAS could be an alien spaceship while dropping new photos of the ...

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

On Wednesday, Nov. 19, NASA will unveil more 3I/ATLAS images captured by the space agency's fleet of instruments both on the ...

A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said Wednesday, moving to quash a wave of online speculation.