Two NASA astronauts will perform the year's first spacewalk today (Jan. 16), and you can watch the action live. Nick Hague and Suni Williams are scheduled to venture outside the International Space ...

NASA's NICER X-ray telescope is pausing operations just weeks after the US space agency boasted that a January repair and reconfiguration had improved its daytime measurements.… The agency pressed ...

A mini solar telescope strapped to the side of the International Space Station (ISS) has captured its first images, revealing subtle changes in our home star's outer atmosphere that have never been ...

The ISS appears tiny against the moon's vastness — and it's almost 239,000 miles closer. Can you see the ISS? The photo has another Easter egg too — a site for future human moon landings. The moon isn ...

Day 16 of the 2024 Space Telescope Advent Calendar: a new view of a distant spiral. This image from the James Webb Space Telescope shows spiral galaxy NGC 628 in a new light. The galaxy, also known as ...