NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?

In one of the biggest surprises of NASA's OSIRIS-REx mission, its target asteroid, Bennu, turned out to be a jagged, rugged ...

For the second time this year, NASA moved its moon rocket from the hangar out toward the pad Friday in<a ...

A century after Robert Goddard’s first-ever launch of a liquid-fueled rocket, two NASA experts weigh in on what his legacy ...

NASA's Crawler-Transporter 2 will soon move the Artemis II rocket and Orion spacecraft from the Vehicle Assembly Building to pad 39B ahead of launch.

A massive crater on asteroid Psyche may hold the key to whether it’s a lost planet’s core or something more complex. New simulations suggest NASA’s upcoming mission could finally solve the mystery.

The Three Gorges Dam in China moves so much water around that NASA found it actually changes the rotation speed of the Earth ...

The latest evidence that Mars was once a warmer, wetter world comes from a surprising place—the hidden subsurface depths of ...

As the US sets its sights on establishing a permanent base on the moon, its foothold in an area of space much closer to home is growing more uncertain.

NASA on Thursday began returning its towering SLS rocket and Orion spacecraft to its Florida launch pad ahead of a planned flyby of the Moon.

The mission is hoping to give humanity its best look ever at Saturn's moon Titan.

NASA astronauts are conducting a spacewalk to upgrade the solar panels powering the International Space Station. Watch here. ...