Physics
Hiding in plain sight: The mystery of the sun’s missing matter
A mass equivalent to 1500 Earths has vanished from the sun. Tracking it down could transform how we see the stars
Features
Space
A gaggle of 7 moons keep Saturn鈥檚 rings from breaking apart
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Earth
A tech-destroying solar flare could hit Earth within 100 years
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Space
Distant dwarf planet near Pluto has a ring that no one expected
News
Physics
It was always crazy to shoot for Mars before colonising the moon
News
Space
Nanoflares in the sun鈥檚 plasma may cause its scalding atmosphere
News
Environment
Lunar volcanoes and lava lakes gave the early moon an atmosphere
News
Space
The mysterious bright spots on Ceres may have a common origin
News
Physics
Methane burps on young Mars helped it keep its liquid water
News
Earth
Super-Earths draw asteroids to other worlds, which may seed life
Asteroid collisions can be destructive 鈥� just ask the dinosaurs 鈥� but they also bring key ingredients for life. Super-Earths can draw them to nearby worlds
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Earth
What a surprise 鈥� the end of the world has been delayed, again
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Earth
Huge space rocks could have helped start Earth鈥檚 plate tectonics
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Space
OSIRIS-REx spacecraft zooms by Earth on its way to an asteroid
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Space
Cassini ends its 20-year mission by slamming into Saturn
News