NASA's Solar Dynamics Observatory captured an X4.5-class solar flare. See views in multiple wavelengths here. Footage ...

A mysterious pueblo in Arizona’s badlands tells the story of ancient builders, volcanic landscapes, and a place that still ...

Imagine a photo so incredible, so impossible, it took nearly a DECADE to capture. This isn't just a picture; it's a window ...

Every year, the Capture the Atlas Milky Way Photographer of the Year contest brings together some of the most striking night ...

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

Astronomers have gotten their clearest look yet at the surface of an exoplanet - a planet beyond our solar system - ​thanks ...

New research reveals that Dante Alighieri's Inferno wasn't just a masterpiece of literature: it was a gedankenexperiment in impact physics. From multi-ring craters to shockwaves that reshaped the ...

Worlds this small and distant are thought to be too cold and have too little surface gravity to hold onto gases. But the findings suggest that icy, rocky objects in the solar system's outer reaches ar ...

NASA’s James Webb Telescope captured the clearest view yet of a rocky exoplanet, revealing a scorching, airless world unlike ...