News | Page 11 of 707 | Astronomy.com

The author took this digital color image of the Andromeda Galaxy and its two main satellites with a 5-inch apochromatic refractor, Canon R mirrorless camera, and IDAS LPS 4 filter. The total exposure time was 18 minutes at ISO 4000.

Get to know the Andromeda Galaxy

Saturn at Opposition at Waterton Lakes

September 2024: What’s in the sky this month?

Human Spaceflight

A brief history of astronauts stuck in space

Scientists view Ganymede’s aurorae dancing during eclipse

Solar System, Stars

Waves may be heating the solar wind — and two spacecraft caught them in action

Exoplanets, Stars

Rogue worlds may give clues as to how stars form

Robotic Spaceflight

The JUICE mission just pulled off an unprecedented spaceflight maneuver

Human Spaceflight

All about the Polaris Dawn mission launching soon

Galaxies, Science

Event Horizon Telescope captures highest-resolution images ever taken from the ground

New study suggests we could give Mars a thicker atmosphere — using dust

Boeing Starliner in space

Human Spaceflight

NASA announces Boeing Starliner will return to Earth without crew

Alien Life, Science

Why we aren’t alone in the universe — but might as well be