The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...
Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...
It was quite a leap. Conspiracy theorists are being brought back down to Earth after NASA scientists debunked a wild claim ...
Carbon released from Earth's spreading tectonic plates, not volcanoes, may have triggered major transitions between ancient ...
For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 ...
The first emergency operation in the history of China's human spaceflight program ended on Jan. 19 when an uncrewed Shenzhou ...
A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's ...