Saturn is among the worst offenders. With its giant system of rings and moons and its extremely orderly magnetic field, the ...

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

NASA is lighting the cosmos in red, white and blue in honor of the 250 t h birthday of the United States—and the show even ...

A newly discovered and potentially habitable exoplanet scientists are calling Earth’s “next-door neighbor” could be the next ...

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: NASA/SDO | edited by Space.com's Steve Spaleta Music: Jup ...

Researchers have proposed an unorthodox way to shield our planet from the constant barrage of solar storms — launching a ...

Three companies will send scientific payloads to the lunar surface to support NASA's first permanent base development.

In 1947, pilot Kenneth Arnold's report of strange objects over Mount Rainier and a fateful media misquote created the 'flying ...

When a bright fireball streaked across the Alaska sky last spring, the usual tools scientists rely on to track such ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...