Popular culture imagines aliens as creatures made of flesh and bone — but some researchers argue that advanced civilizations ...

NASA’s Europa Clipper mission will perform 49 close flybys of Jupiter’s icy moon, where radiation levels reach 5,400 milliSieverts per day — lethal within hours. Beneath its frozen crust may lie a ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Our solar system hosts almost 900 known moons; more than 400 orbit the eight planets while the remaining orbit dwarf planets, ...

Saturn’s largest moon, Titan, might have formed after a collision with a lost moon, according to new research.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

The next lunar eclipse will be a total lunar eclipse on March 2-4, 2026. It is the first lunar eclipse of the year. It will ...

NASA is preparing to roll its towering Artemis 2 moon rocket back to its hangar after more than a month atop ts Launch Pad 39B at the Kennedy Space Center due to a helium system issue. The rollback ...

Trump warns countries that 'play games' with US trade deals will face higher tariffs U.S. President Donald Trump on Monday warned countries against backing away from recently negotiated trade deals ...