Some of the most extreme explosions in the universe are Type I superluminous supernovae. “They are one of the brightest ...

Humans were not designed for space. Ironically, because we insist on going there anyway, scientists now know from studying astronauts that the lack of Earth’s gravity can wreak health havoc, such as ...

Elon Musk's SpaceX is set to launch a Falcon 9 rocket from Cape Canaveral, Florida. Here are best places to watch liftoff and what time to stream it.

NASA's Artemis 2 mission is targeting an April 1 launch, sending a crew of astronauts on a historic trip around the moon.

An update is coming today on NASA's Artemis 2 lunar mission to launch four astronauts on a historic journey around the moon.

How a new startup plans to power satellites with lasers. A new class of ultrafast AI chips also uses lasers. And startup Axiomatic AI is building better AI models for science and engineering.

When you're around someone constantly, something subtle happens. The interactions go on autopilot. You stop being fully present because you're always partially there, always in the middle of the next ...

NASA has finished a crucial step toward getting its Artemis II moon mission off the ground, and is now targeting early April to send four astronauts on an unprecedented path.

Sending AI data centers into space sounds futuristic, but Nvidia's CEO says a few practical obstacles still make that idea hard to justify today.

Analysis reveals what appears to be a channel of hot, low-density plasma stretching out from our solar system toward distant ...

A skyrocketing launch rate among other increasingly busy missions means Vandenberg Space Force Base is prepping for a big ...

From violent collision contests to celebrity-backed offshoots, spin-off sports are finding captive audiences. Their spectacle masks something more sinister ...