Hundreds of millions of years before oxygen surged in the atmosphere 2.4 billion years ago, swaths of oxygen winked in and out of existence in the ocean.

A new NASA and Toho University study, utilizing supercomputers, projects Earth's habitability timeline, revealing the ...

A piece of space junk called Cosmos 482 is unlikely to pose a threat to people or property. But space experts say it ...

A meteorite found in Antarctica in 2012 suggests Earth may have formed with the materials needed to make water, a new study ...

NASA's Curiosity rover has uncovered evidence of a past carbon cycle on Mars. This breakthrough provides scientists with new ...

Some scientists think the moon formed about 4.5 billion years ago after a collision between an early version of Earth and a ...

Though astronomers have known about the threat posed by near-Earth objects since the 1970s, efforts to catalogue potentially ...

Scientists have embarked on a three-week voyage aboard CSIRO research vessel (RV) Investigator to measure some of the world's ...

Mars, one of our closest planetary neighbors, has fascinated people for hundreds of years, partly because it is so similar to Earth . It is about the ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

South Korea will fly a shoebox-size cube satellite on an Artemis II test flight in April 2026 in preparation for missions to ...