Saturn's rings tilt out of view every fourteen to seventeen Earth years. In 2032, they will be at their best again during ...

3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a bout of violent volcanic eruptions, climate change, or perhaps a fatal run ...

The Cretaceous is split into two smaller time periods called epochs. The Early Cretaceous Epoch ... continents had moved almost into the positions they are in today. Back then Earth was a lot warmer ...

The cold periods - or ice ages - are ... Between 36 and 20 million years ago the earth experienced the first of three major cooling steps. At this time a continental-scale temperate ice sheet ...

Earth's history is a roller-coaster of climate fluctuations, of relative warmth giving way to frozen periods of glaciation before rising up again to the more temperate climes we experience today.

Learn about the time period that took place 65 to 23 million ... and giant marine reptiles were conspicuously absent from the face of the Earth. Rodent-size (and perhaps larger) mammals emerged ...

Scientists have predicted future glacial periods by matching Earth's past ice ages to its orbit around the ... "Such a transition to a glacial state in 10,000 years' time is very unlikely to happen ...

NASA astronauts are returning to Earth after nine months in space. Experts have said a prolonged period in space can come ...