Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

The 24-hour day isn’t a given anymore. In recent years, scientists have discovered Earth is rotating slightly faster, which ...

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

Earth’s rotation is speeding up. This summer, our planet will spin faster than usual, creating the shortest day since records ...

"Our Story With David Attenborough" at the Natural History Museum is a 50-minute program that explores humankind's role in the planet's ongoing story ...

The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.

According to Time and Date, a website that tracks time and time zones, the current record holder for the shortest day on ...

Today is set to be one of shortest days in the Earth’s recorded history – meaning that it will be just under 24 hours.

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

The discovery of an ancient meteorite impact crater was recently reported in Western Australia. But not everyone is convinced ...

For decades, scientists have wondered why the moon’s two sides are so different. The side we see from Earth, known as the ...