This year brought us our third-known interstellar visitor, beautiful displays of the northern lights and the opening of the ...

With space tourism set for liftoff, space medicine is about to become a crucial specialty. And this place is becoming a hub ...

Just after 2 a.m. on July 30, 1916, a freight car loaded with TNT exploded at a munitions depot on Black Tom Island in New ...

This year's sum of 109 launches shattered the short-lived annual record of 93 liftoffs set last year. That number was ...

The NASA Artemis II mission, set to lift off as soon as February, will mark the first time astronauts have aimed to venture beyond near-Earth orbit since 1972.

New high-resolution images show that novae are anything but simple stellar fireworks. One exploded with multiple gas streams ...

A satellite photo from July shows intricate snowy stripes painted across the Atacama Desert in Chile. The icy weather temporarily put the Atacama Large Millimeter/submillimeter Array (ALMA) ...

A paraplegic engineer has become the first wheelchair user in space, blasting off with Blue Origin. Severely injured in a ...

Planetary defense has moved from science fiction to a live engineering problem, and the stakes could not be higher. The central question is no longer whether an asteroid will eventually head our way, ...

The Sun just slammed Venus with a massive blast of radiation and charged particles, and the hit was so strong it stripped parts of the planet’s upper atmosphere right into space, leaving scientists ...

A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever seen. Gamma-ray bursts are the universe’s most powerful explosions. They ...

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...