When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

Discover what could happen if Planet X entered our solar system unexpectedly. Veterans flood Democrat’s office with ...

Discover the remarkable Helix Neptune, an advanced amphibious robot built for geological exploration. Equipped with patented ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said Wednesday, moving to quash a wave of online speculation.

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

Envision a time when hundreds of spacecraft are exploring the solar system and beyond. That’s the future that NASA’s ESCAPADE ...

Nearly a century after Pluto’s discovery, astronomers are still hunting for mysterious planets beyond Neptune - including a ...

More than four years since it launched on PC, Planet Zoo is finally available on consoles in the aptly-named Planet Zoo: Console Edition. Just like with Planet Coaster, developer Frontier has had its ...