Astronomers are gathering evidence of a massive hidden planet lurking beyond Neptune. These endangered predators have finally ...

Researchers analyzed nearly half a million nearby star systems to understand how giant planets fare as their stars expand into red giants.

Decades after its launch, NASA’s Voyager spacecraft has made a startling discovery at the edge of our solar system. The probe ...

China’s Tianwen-1 Mars orbiter has captured images of the interstellar comet 3I/ATLAS during its close approach to the Red Planet, contributing to global scientific efforts to study the rare ...

On Sunday, NASA's Escapade, a collaborative effort between the space agency, UC Berkeley and Jeff Bezos' Blue Origin, will ...

These are America’s best space museums, from the Kennedy Space Center to Houston’s Space Center—they get you up close with ...

Following a successful first flight in January, Blue Origin is set to launch its heavy-lift New Glenn rocket from Florida ...

Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star. But some are out there all ...

For years, scientists believed most mini-Neptunes were covered by vast oceans of molten rock—essentially entire planets made ...

The ESCAPADE mission, short for Escape and Plasma Acceleration and Dynamics Explorers, is the first dual-satellite mission to another planet. Two identical spacecraft will orbit in formation to ...