Astronomy Staff, Author at Astronomy.com

Telescopes and Equipment

Fall in love with new astronomy products this month

Artist's concept of what Andromeda will look like in the sky in the future

Milky Way, Solar System

What will happen to the solar system when the Milky Way and Andromeda Galaxy merge?

Solar system planets

Why do the solar system’s planets have different compositions?

Artist's concept of the interior of a white dwarf

Solar System, Stars

After our Sun becomes a white dwarf and cools completely, what will be left?

Cozy up with new astronomy products this month

Comet 67P/Churyumov-Gerasimenko

Does a comet’s period change because it loses mass every time it nears the Sun?

The Carina Nebula, imaged with and without adaptive optics

How does adaptive optics work?

The star Lambda Herculis

Where is the solar system heading?

Artist's illustration of an asteroid belt around a young star

Robotic Spaceflight, Solar System

How do spacecraft avoid collisions in the asteroid belt?

Image of LEM (Snoopy) on Apollo 10

Human Spaceflight

What happened to the jettisoned Apollo lunar modules?

Observing, Space Exploration

The largest space merch retailer in the world opens its first brick-and-mortar retail store in downtown Chattanooga

Astronomy magazine Sky Guide 2025 cover

A look ahead to the sky next year: Sky Guide 2025