Some of the most cataclysmic and mysterious events in the cosmos only reveal themselves by their gravitational waves. We've detected…
For most of human history, the Sun appeared stable. It was a stoic stellar presence, going about its business fusing…
When a massive star explodes as a supernova, it does more than release an extraordinary amount of energy. Supernovae explosions…
Earth's last half-billion years were action-packed. During that time, the climate underwent many changes. There have been changes in ocean…
NASA's Juno spacecraft was sent to Jupiter to study the gas giant. But its mission was extended, giving it an…
Photosynthesis changed Earth in powerful ways. When photosynthetic organisms appeared, it led to the Great Oxygenation Event. That allowed multicellular…
A team of scientists presented a new gravity map of Mars at the Europlanet Science Congress 2024. The map shows…
If you enjoyed this summer's display of aurora borealis, thank the Sun's corona. The corona is the Sun's outer layer…
An ancient passerby may have visited the Sun and inadvertently helped shape the Solar System into what it is today.…
Ask most people what a galaxy is made up of, and they'll say it's made of stars. Our own galaxy,…