The Solar System is currently traversing one of them, aptly named the Local Interstellar Cloud. The origin and history of these clouds are believed to be tightly connected to the birth and death of ...

Dual-spacecraft feat: Juice and Europa Clipper captured simultaneous ultraviolet images of both hemispheres of comet 3I/ATLAS, revealing contrasting gas and dust features. Heavy water clue: Analysis ...

Astronomers led by the Center for Astrophysics | Harvard & Smithsonian (CfA) have made the first direct detection of ...

New evidence of a rare radioactive isotope linked to stellar explosions has been discovered in 80,000-year-old Antarctic ice.

NASA’s Psyche spacecraft is about to pull off a dramatic close flyby of Mars, skimming just 2,800 miles above the planet to ...

A rare comet from another star system is revealing just how different alien solar systems may be from our own.

If you loved watching Ryland Grace MacGyver his way through impossible problems in space, you need to meet Mark Watney. He's ...

NASA's twin Voyager 1 and Voyager 2 spacecraft, both running on nuclear power, now have access to just a portion of the 470 ...

WASHINGTON — It was 1947, the start of the Cold War, and a Hicksville woman alerted the FBI about an ominous, ...

Voyager 1 is losing power, and NASA just shut down a decades-old instrument to keep it going. The sacrifice could help the ...

Voyager 1 just powered down a nearly 50-year-old instrument to stay alive in deep space. The spacecraft is running critically ...