Recovering South Korean shopaholic-turned-climate activist Lee So-yeon used to buy new clothes almost daily -- until a $1.50 ...

They were dug out by debris sent violently aloft when an asteroid or comet struck the lunar surface 3.8 billion years ago.

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

Five households in the immediate vicinity of a massive, ever-widening sinkhole near Tokyo were urged to evacuate Sunday, with ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

An unidentified interstellar object, possibly eight times Jupiter’s mass, may have disrupted the solar system’s planets.

Scientists found an intriguing world in our galaxy.

When an exoplanet is discovered, scientists are quick to describe it and explain its properties. Now, we know of thousands of ...

Named HD 20794 D, the newly discovered exoplanet orbits a star similar to the Sun, and researchers believe it may be able to ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Astronomers have discovered an intriguing, potentially habitable, super-earth not far from us in cosmic terms.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...