What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

University of Alberta geochemists have discovered a missing piece to one of the great mysteries of science—the origin of life ...

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside ...

Earth’s spin is not as steady as it looks. As ice melts and groundwater is pumped from deep aquifers to the surface, the ...

Some of the oldest objects in the solar system still drift above your head. Asteroids and comets formed before Earth took ...

Cosmic dust can tell scientists about how ice covered Earth during the last ice age. This dust is leftover debris from asteroids and comets... What space dust reveals about Earth's ice age Around ...

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of other planets out there in the galaxy. But we’re still teasing out clues ...

Around 20,000 years ago, Earth was very, very cold. Global temperatures were 10 degrees Fahrenheit colder than they are today and most of North America was covered in ice. That ice was almost half a ...

Stocks closed mostly higher on Wednesday as Wall Street recovered some ground from tech-led sell-off, as investors awaited ...

Astrophysicist Neil deGrasse Tyson has become the subject of online speculation after a viral clip appeared to show him claiming the Earth is flat. The footage from the scientist's podcast, StarTalk, ...

The mission will be the second launch of Blue Origin's New Glenn rocket. Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere ...

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