Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, ...

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 ...

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 ...

Earth has faced multiple mass extinctions in its long history, with the asteroid that wiped out the dinosaurs being the most famous. But what if some of these catastrophic events were caused by ...

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 ...

Research by a Danish physicist suggests that the explosion of massive stars – supernovae – near the Solar System has strongly influenced the development of life. Prof. Henrik Svensmark of the ...

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 ...

A huge, volatile space object called the “devil comet” is flying its way past Earth for the first time since 1954 — and is currently visible in the night sky. Officially named 12P/Pons-Brookes, the ...

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 ...

An incredible new video taken by a NASA astronaut living aboard the International Space Station shows an epic explosion over Earth. But it’s not warfare or any other man-made horror that created the ...