Scientists discover a nearby planet with a molten interior and sulfur-rich atmosphere, L 98-59 d, revealing a possible new ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every ...

In a distant part of our cosmos, an intriguing new world exists. This newly discovered exoplanet, identified as L 98-59 d, seems to play host to a rare type of planetary environment.

In March, Venus makes its dazzling comeback, climbing into view above western skies, marking the beginning of her journey as ...

An extinct relative of the howler monkey may have been the first leaf-eating primate in South and Central America ...

Explore the Solar System in a way that transcends the average science project. This video showcases the relative sizes of the planets and their actual distances from the Sun, providing a clear visual ...

When I go to the doctor, they measure how big I am. They use a scale to check my weight. They find my height with a measuring tape. But nobody can put a planet on a scale. Or wrap a measuring tape ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune orbit most stars. Oddly, our sun lacks such a planet. That’s been a source ...

When we imagine a planet, we think of one like ours, orbiting a star. But some have a far lonelier existence, drifting through interstellar space without a sun to call their own. Known as “rogue” or ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for signs of an atmosphere—and potentially life-supporting conditions. Early James ...