Discovered late last year, the asteroid 2024 YR4 was predicted at one point to have a 3% chance of smacking Earth in 2032.

NASA astronaut Suni Williams returned to Earth after a planned eight-day mission turned into a nine-month stay on the ISS.

A group of astronauts whizzing around Earth from orbit are getting some pretty spectacular views of our planet's poles – and ...

Just about everyone has heard of NASA’s Hubble Space Telescope — not too surprising considering that it has been with us for ...

Sunita “Suni” Williams and Barry “Butch” Wilmore have had quite the year: The NASA astronauts were the first people to travel aboard Boeing’s Starliner spacecraft last summer, before technical issues ...

Here's where the James Webb Space Telescope comes in. Its advanced technology, including its large mirror and suite of ...

A SpaceX spacecraft carrying four astronauts is on a pioneering journey circling Earth over its poles after launching Monday ...

We're back! A long-time reader and subscriber recently mentioned in the Ars Forums that they "kind of" missed the Daily Telescope posts that I used to write in 2023 and 2024. Although I would have ...

The international all-civilian Fram2 crew is the first in space history to fly to orbit with no licensed pilot or trained ...

The sounding rockets released vapor tracers and pressure sensors at different altitudes across central and northern Alaska ...

While other astronauts had longer spaceflights over the decades, none had to deal with so much uncertainty or see the length ...