Researchers are closer to unraveling a long-standing solar mystery surrounding the extreme thinness of the Sun’s tachocline layer — a region critical for creating space
The mid-infrared view of Centaurus A from NASA’s James Webb Space Telescope reveals dusty structures and hidden activity within the nearby, active galaxy. Credits: Image:
What do the warning colours mean? Red warning Dangerous weather is expected and, if you have not done so already, you should take action now
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Red, white, and blue stars glitter like a sparkler being waved on a dark night in this new image from NASA’s Hubble Space Telescope. NASA
Editor’s note: In honor of America’s 250th birthday, Earth Observatory is revisiting stories about the landscapes that helped shape U.S. history. The images and text
As July starts and the Independence Day celebrations approach, an unprecedented atmospheric phenomenon has locked the central and eastern United States into a severe, multi-day
A major update to Eyes on Exoplanets was released on June 11, 2026, complete with a brand-new tutorial. The introductory welcome screen was completely updated,
The Sun emitted a strong solar flare, peaking at 4:50 p.m. ET on June 30. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured
What do the warning colours mean? Red warning Dangerous weather is expected and, if you have not done so already, you should take action now
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