A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...

Astronomers have announced the discovery of what appears to be an "ice cold Earth," a chilly but potentially habitable rocky ...

Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected.

Learn about HD 137010 b, a cold Earth‑sized planet candidate that sits near the outer edge of its star’s habitable zone.

Earth’s magnetic field and atmospheric oxygen appear to have moved in sync for half a billion years, pointing to a surprising connection between the planet’s deep interior and life-supporting ...

For decades, astronomers have been watching WOH G64, an enormous heavyweight star in the Large Magellanic Cloud, a galaxy ...

Termites damage homes, but these insects have built a vast megacity now going viral. Seen from above, their structures are so advanced that many are calling them nature's engineers ...

Scientists used the European Space Agency's Cheops satellite to discover that the planetary system around the star LHS 1903 ...

Lightsabers curling plasma, jetpacks for casual flights: My 15 top absurd picks from Star Wars to The Rocketeer show how movies invent what physics laughs off.

Elon Musk vowed this week to upend another industry just as he did with cars and rockets — and once again he’s taking on long odds.

This post features biographies and notable quotes from oral history interviews with planetary geophysicist Lynnae Quick, ...

REYKJAVIK, Iceland - It is just one scenario among many, but by far the most cataclysmic.