Astronomers didn’t even know sub-Neptunes existed until NASA’s Kepler mission uncovered them over the past decade. Although a ...

WD 1856+534b—a freezing world with a surface temperature of -125 degrees Fahrenheit—exists where planets are normally scoured ...

Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.

An international research team studying fossilized oyster shells has revealed substantial annual temperature variation in sea ...

We have long taken it for granted that gravity is one of the basic forces of nature – one of the invisible threads that keeps ...

Despite the deep ocean floor coating some 66% of our planet's surface, we haven't explored 99.999% of it, study finds.

Webb Space Telescope reveals a surprisingly clear atmosphere on planet TOI-421 b, helping scientists understand the evolution ...

For further information, please see our April Arctic sea ice extent averaged 13.91 million square kilometers (5.37 million ...

For decades, the Kármán Line, set at an altitude of 100 kilometers (or 62 miles) above sea level, has been the widely ...

How is it possible for the ISS to stay in orbit? Learn more about the science behind orbiting Earth and more in this NASA ...

Earth Week at Penn is currently underway, featuring dozens of events hosted by student groups and Philadelphia organizations to raise environmental awareness. Penn has organized Philadelphia’s Earth ...

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star ...