Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet ...

Thursday’s scheduled launch will be the 17th crewed Blue Origin flight to ferry passengers into space. The previous mission, NS-37, was successfully completed just over a month ago on Dec. 20, 2025.

It may be one of the most iconic sights in the night sky, but astronomers have never seen the Helix Nebula like this before.

Humans have been eyeing the colorful Ring Nebula for nearly 250 years, but testing out a new telescope tool led to the ...

The Ring Nebula, also known as Messier 57, sits about 2,000 light-years from Earth. It is a planetary nebula—a misleading ...

Four astronauts are about to fly around the moon on NASA's Artemis 2 mission, and you can join them by adding your name to the mission. Here's how.

At 3.3 billion light-years across, the ring may challenge the “cosmological principle” that the universe looks uniform at sufficiently large scales.

A closer look at the Helix Nebula reveals how dying stars shed material, shape space, and hint at the distant future of our own Sun.

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

NASA said that while the mystery of the Circinus galaxy’s excess emissions has been solved, there are billions of black holes ...

The eclipse’s path has been charted in detail; its timing, down to the second. Yet the phenomenon reveals more than celestial ...