Articles
Guides to galaxies, nebulae, telescopes, and the night sky — for curious minds everywhere.
3D Astronomy Images: How They’re Made and Where to Find Them
Three-dimensional astronomy images bring the cosmos to life in ways flat photographs cannot. Learn how 3D images of nebulae, galaxies, and the universe are created, the science behind them, and where to find the best examples.
Team Visit Astronomy · Jan 24, 2026
Infrared Astronomy: Seeing Through Cosmic Dust
Infrared astronomy reveals the hidden universe — newborn stars, galaxy centers, and cool objects invisible to optical telescopes. Learn how infrared telescopes work, what they have discovered, and why this wavelength range matters.
Team Visit Astronomy · Jan 20, 2026
World’s Greatest Ground-Based Observatories
From mountaintop giants to desert installations, the world’s great ground-based observatories push the boundaries of what we can see from Earth. Explore the most important observatories, how they work, and what they have discovered.
Team Visit Astronomy · Jan 16, 2026
SOHO: Our Eye on the Sun
The Solar and Heliospheric Observatory (SOHO) has been watching the Sun continuously since 1996, revolutionizing our understanding of solar physics. Learn how SOHO works, what it has discovered, and why it still matters today.
Team Visit Astronomy · Jan 13, 2026
Chandra X-Ray Observatory: Seeing the Invisible Universe
NASA’s Chandra X-Ray Observatory has revealed the invisible, high-energy universe for over 25 years. Discover how Chandra works, its greatest discoveries, and why X-ray astronomy matters for understanding the cosmos.
Team Visit Astronomy · Jan 11, 2026