Space
Huge impact could have smashed early Earth into a doughnut shape
Many rocky worlds may have spent time as a newly named planetary form called a synestia 鈥� a loosely connected blob of molten rock and dust with a dented middle
News
Physics
Brecht鈥檚 Life of Galileo pumped up for the 21st century
Culture
Space
Titan鈥檚 riverbeds show a terrain built more like Mars than Earth
News
Space
Microbes might thrive after crash-landing on board a meteorite
News
Space
Stars can start shining at a smaller mass than we thought
News
Earth
Odds on: Five scientific theories decided by wager
Features
Space
Neptune-like exoplanet spotted that has a watery atmosphere
News
Space
Waves surge in opposite directions around Io’s largest lava lake
News
Space
NASA rocket mission takes 1500 sun images in just 5 minutes
News
Space
Earth may have been born in a huge flare-up of the young sun
A sudden brightening of the infant sun 鈥� called an FU Orionis outburst 鈥� could have melted dust grains and made them stick together, building our world
News
Space
Watch Cassini’s first two dives between Saturn and its rings
News
Space
Marvel at the images from Cassini’s first Grand Finale orbit
News
Space
First look at images from Cassini’s dive between Saturn’s rings
News
Space
Melting moons could support liveable atmospheres for aeons
News