Magazine | Page 15 of 281 | Astronomy.com

Active Region 13055 on the Sun

Solar System, Stars

What causes sunspots?

Long-exposure images capture the stunning streaks created by Perseid meteors. Their tails can vary in color depending on their speed and chemical composition.

Exploring Turkey’s dark-sky delights

Mars InSight solar panel covered with dust

Robotic Spaceflight

Why doesn’t NASA build a mechanism to clean the solar panels on its Mars rovers?

The author’s grandchildren view the partial phases of the 2017 eclipse with a homebuilt Advanced Safe Solar Viewer.

2024 Solar Eclipse

Eclipse viewing made simple

The space station Tiangong has been constructed over the course of multiple launches. It consists of a central core module named Tianhe and two lab modules named Wentian and Mengtian. In this rendering, a Tianzhou cargo craft is docked in the foreground, with a Shenzhou crew capsule docked in the background.

Space Exploration

China is embarking on a science and exploration program of staggering scale

Antennas of the Very Large Array

Can astronomers do their work during the day?

Rosette Nebula

Deep-Sky Objects

Large deep-sky objects to catch each season

OSIRIS-REx’s TAGSAM sample collector

Top 10 space stories of 2023

Where is the center of the universe?

Thor's helmet.

Astrophotography, Deep-Sky Objects

101 Weirdest Cosmic Objects

Bill Anders’ famous photograph of Earthrise became an iconic image of the Space Age — and a clarion call to the emerging environmental movement.

Human Spaceflight

The ‘Earthrise’ image and the impact of the Apollo 8 mission

open and globular star clusters

Galaxies, Stars

Why are open clusters and globular clusters found in different places?