A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Deep beneath the Earth lies a mysterious and powerful force. A wellspring of nuclear energy which could one day rip us apart.

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun ...

How is lightning initiated in thunderclouds? This is difficult to answer – how do you measure electric fields inside large, dangerously charged clouds? It was discovered, more or less by coincidence, ...

The star Betelgeuse has been a bit of a drama queen lately, dimming twice in the past year. Now astronomers say they’ve found what may have caused the latest episode – and in so doing, also discovered ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. A star's spectacular death in the constellation Taurus was ...

Eta Carinae has been exploding for nearly 200 years, and now we're firing lasers at it. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Four ...

Sudden and violent explosions have been leaving behind massive craters in the permafrost of Siberia — some nearly 70 feet wide and over 170 feet deep. The phenomenon has puzzled scientists since the ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Chris Impey, University of Arizona (THE CONVERSATION) Stars like the Sun are ...