Dozens of startups working on data centers, mining and pharmaceuticals are hanging on Elon Musk's long-stalled megarocket.

Evidence that Russia is racing to perfect a nuclear-armed spacecraft to target Western satellites is sparking the U.S. and ...

According to scientists, red supergiant stars should produce more supernovas. But astronomers just aren’t spotting them. Here ...

Since 2018, astronomers have detected a series of ultra-bright blue explosions known as LFBOTs, some reaching luminosities up to 100 times greater than typical supernovae. One recent event, nicknamed ...

A sudden, mysterious burst of bright light in the sky could be from a black hole devouring a vast, unusually bare star. In 2018, astronomers spotted a new kind of cosmic explosion that became brighter ...

Commercial companies launching satellites, flying orbital test missions, or conducting other space-related activities will ...

Images of the space around the sun show the comet approaching the star intact—but only a shower of debris came the other side.

NASA and the European Space Agency spotted a cosmic object that was splitting apart before it exploded, something not a ...

NASA’s Hubble telescope captured an “extraordinarily” rare moment of a comet exploding into fragments, the space agency said. The comet K1, whose full name is C/2025 K1 (ATLAS), was caught fragmenting ...

COLORADO SPRINGS–Thirteen years ago a 20-m asteroid streaked without warning into Earth’s atmosphere before exploding over the Russian city of Chelyabinsk, injuring 1,500 people and causing widespread ...

2026 is a big year for SpaceX's Starship, the biggest and most ambitious rocket ever built. The third version of the still-in-development launch vehicle will debut soon (maybe), which will be the ...