An asteroid as large as five cruise ships is barreling towards Earth at 5.6 miles per second. Civilization thankfully isn’t in any imminent danger, but the cosmic debris will still come close enough to possibly spot using only a pair of strong binoculars.

Scientists have discovered that seismic waves traveling to Earth’s core and back caused almost all of Japan to shift eastward after the 2011 earthquake.

Earth’s rotation is slowing as melting ice moves across the planet. New research says it’s driven by climate change and is unmatched over the past 3.6 million years.

A large sunspot group and a fast solar wind stream have raised the chance of a minor geomagnetic storm around June 25 and 26. Here is the science of sunspots, solar flares and why auroras rarely reach India.

In the first part of this series, she weighs up the idea that the Earth could really be flat… In 1838, Samuel Rowbotham, an English inventor and flat-Earth proponent, conducted a bizarre experiment on a dead-straight six-mile stretch of the Old Bedford River in the Cambridgeshire Fens.

Vegetarians need not worry yet—plants will be on Earth for a long time to come. But not forever. The sun will ultimately determine the long-term existence of life on Earth. Its total energy output, called luminosity,

A building-sized asteroid will pass safely by Earth on June 27. Dozens of near-Earth objects like this one routinely pass relatively close to Earth without incident.