Astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA's NICER (Neutron star Interior Composition Explorer) and other missions.

The Eta Aquarids will peak the evening of May 5 into the pre-dawn hours of May 6, according to NASA. According to NASA's ...

A timelapse of the 2023 annular solar eclipse as seen from outside Great Basin National Park in Ely Nevada. Captured with a ...

AR 4079, the biggest sunspot of 2025, has appeared on the sun. Here's what it looks like — and how to safely see it with your ...

Extraordinary conclusions have been drawn from these observations, which would change how we see plants, but lots of ...

Tāhuna Glenorchy, nestled in the heart of New Zealand’s South Island, has been declared an International Dark Sky Sanctuary.

Modest binoculars or a small telescope are all you need to see the Beehive Star Cluster. Appearing as a circular patch of ...

uncover 6 strange and mind-blowing things that happen during a solar eclipse. From animal behavior to temperature drops and ...