Space

These so-called exoplanets include rocky worlds similar in size to Earth, gas giants larger than Jupiter and even"'mini-Neptunes."

Astronomers spend their careers looking up at the sky, away from Earth.

A trio of Russian cosmonauts have arrived at the International Space Station wearing yellow and blue flight suits similar to the colors of the Ukrainian flag.

Considered the most powerful telescope in space, It will still be five months before NASA can start receiving its images.

The $10 billion infrared observatory is intended as the successor to the aging Hubble Space Telescope.

The Amazon founder's space company launched the former football player and co-host of ABC’s “Good Morning America” on Saturday morning from West Texas.

West Coast night owls and East Coast early risers will have the best view of the upcoming lunar eclipse this Friday.

For thousands of years, humans have obsessed over Mars from afar. At first, maybe it was the fact that Mars stands out in the night sky b ...

A NASA spacecraft named Lucy has rocketed into the sky with diamonds on a 12-year quest to explore a record-setting eight asteroids.

Hollywood’s Captain Kirk, 90-year-old William Shatner, has blasted into space and safely returned to Earth in a convergence of science fiction and science reality.

As William Shatner prepares to be beamed up at age 90 for his first real-life spaceflight, he’s bringing out the awe in people around a rural Texas spaceport.

The harvest moon is the last full moon of the summer. This year it will appear to be full for three days with peak illumination occurring at 7:54 p.m. ET Monday.

A potentially dangerous asteroid called Bennu has a 1 in 1,750 chance of hitting Earth between now and the year 2300.

The Amazon founder was accompanied by a hand-picked group: his brother, an 18-year-old from the Netherlands and an 82-year-old aviation pioneer from Texas.