Planets

The solar system’s planets make for great observational targets, whether using a telescope or your naked eye. But finding them sometimes can be a challenge.

Human Spaceflight, Planets, Solar System

Colonizing Mars could speed up human evolution

Planets, Space Exploration, The Moon

The Moon was volcanically active longer than thought, Chang’e 5 confirms

This may be the first exoplanet found orbiting three stars

Planets, Solar System, Space Exploration

Snapshot: Martian string of craters

The cannibalistic chaos within planetary systems

Planets, Solar System

How would humans decompose on Mars?

Planets, Solar System

Jupiter’s aurorae trigger heat waves

Exotic Objects, Planets

Ask Astro: Does Planet Nine have enough mass to be a black hole?

Astro for Kids: Why are planets round?

Planets, Robotic Spaceflight, Solar System, Space Exploration

Perseverance samples its first (two) rocks

Human Spaceflight, Planets, Robotic Spaceflight, Solar System

Why haven’t humans reached Mars?

Astronomy for beginners, Observing, Planets, Solar System

Jupiter through binoculars

Popular Observing Topics

Credit: NASA Goddard Space Flight Center/Public Domain via Wikimedia Commons.

The Sun

Safely observing the Sun can be a fun and rewarding experience.

Credit: Ted Hauter.

The Moon

Our nearest celestial neighbor provides many great sights.

Planets

Targeting our solar system’s other worlds is well worth the effort.

Credit: Tony Hallas.

Deep-Sky Objects

Nebulae, star clusters, and galaxies are the night sky’s hidden gems.

Credit: Celestron.

Telescopes & Equipment

Explore the tools that can help you unlock the night sky.

Credit: Peter Michaud, Gemini Observatory.

Astrophotography

Capturing great celestial sights is both an art and a skill.

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Popular Explorations