Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...

OUR much-loved astrologer Meg sadly died in 2023, but her column will be kept alive by her friend and protégée . Read on to ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

With this explosive mechanism, the proto-Earth could have had a longer day of four to six hours and an angular momentum similar to that of the present Earth-moon system. Yet this idea was also ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for signs of an atmosphere—and potentially life-supporting conditions. Early James ...

The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's atmosphere have landed in the lunar soil, creating a possible source of ...

Multiple impacts on Earth might better explain our moon’s origin than a single giant impact 4.5 billion years ago – and could help solve one of its biggest mysteries. But Earth and the moon are ...

One bright day on Earth about 4.5 billion years ago, everything changed. A massive object slammed into the young planet. The impact was so large that bits were flung out into space, eventually ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals. When you purchase through links on our site, we may earn an ...

More than 2,000 years ago, pretty much every educated human knew the Earth was round. There are some pretty obvious clues, after all. If you travel south, you see stars and constellations you’ve never ...

An artist's impression of the collision between the early Earth and Theia, which may have formed the moon MPS / Mark A. Garlick Around 4.5 billion years ago, a planet called Theia is thought to have ...

About 4.5 billion years ago, a world the size of Mars crashed into Earth and scattered debris that became the Moon. New measurements of subtle chemical fingerprints in ancient rocks now tie that lost ...