A nuclear fusion company with lofty aspirations around sustainable space travel, has test-fired a rocket engine powered by plastic waste.

NASA plans to crash a spacecraft traveling at a speed of 15,000 miles per hour into an asteroid next year to test 'planetary defense'.

When Earth formed 4.5 billion years ago, any phosphorus that was present likely sank into the molten core due to the element's properties.

NASA and the nation's top federal nuclear research lab on Friday put out a request for proposals for a fission surface power system.

A cold trap refers to a pocket on the surface of a solid body in which volatile gases can accrue and remain still for long periods of time.

A new rocket designed to launch humans to the moon, Mars and beyond will launch next year with a familiar fuzzy figure—Snoopy.

Astronomers have discovered a small black hole outside the Milky Way by looking at how it influences the motion of a star in its vicinity.

A near-Earth asteroid named Kamo`oalewa could be a fragment of our moon, according to a new paper. Kamo`oalewa is a quasi-satellite.

Planets known as eggshell planets, which orbit distant stars, have ultra-thin crusts too thin to sustain tectonics and are hostile to life.

Among other goals, James Webb will search the atmospheres of alien planets for what scientists call "biosignatures" -- the presence of life.

As the airplane tilted steeply upward, Mona Minkara, who is legally blind, experienced gravity like never before. It's a bizarre feeling.

A major new space telescope searching for 'Earth 2.0'—to Succeed Hubble and the James Webb Space Telescope —is one step closer to reality.

A team of international scientists have unveiled the largest number of gravitational waves ever detected.

Thousands of alien worlds are known to orbit stars beyond our solar system. And many more worlds, possibly harboring life.

A team of space scientists suggest that there may be an Earth- or Mars-sized planet orbiting beyond Neptune.

Studying the atmospheres of white dwarfs that have been “polluted” by such debris, researchers have identified exotic rock types.

Dozens of space-based telescopes operate near Earth and provide incredible images of the universe. Imagine a telescope in the outer system.

Advanced manufacturing experts from Manchester have revealed what human life in space could look like—with a graphene-enhanced space habitat

NASA plans to crash a spacecraft traveling at a speed of 15,000 miles per hour into an asteroid next year in a test of "planetary defense".

Space Craft is brewed from 66 pounds of hops that traveled more than 300 miles above Earth on the first-ever all-civilian space mission.