The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Using a newly developed adaptive optics system called Cona, scientists peered through Earth's turbulent air to reveal the sun ...

Learn how to build a DIY solar generator inspired by NASA tech. Save energy, reduce your carbon footprint, and harness the ...

Webb’s powerful instruments have detected crystalline water ice in a distant star system, offering rare insight into planet ...

The sun's corona—the outermost layer of its atmosphere, visible only during a total solar eclipse—has long intrigued ...

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...