In recent years, science has unveiled some astonishing secrets—from what lurks inside black holes to the discovery of a vast ...

Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 ...

Researchers have helped overturn the popular theory that water on Earth originated from asteroids bombarding its surface; Scientists have analyzed a meteorite analogous to the early Earth to ...

Scientists speculate that asteroids colliding with Earth delivered water—an essential building block of life—but new research ...

Rising global temperatures are driving the sharp decline in terrestrial water storage. This trend isn’t likely to change, scientists say.

The origin of hydrogen, and, by extension, water, on Earth has been highly debated, with many believing that the necessary hydrogen was delivered by asteroids from outer space during Earth's first ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

A team of astronomers announced on April 16, 2025, that in the process of studying a planet around another star, they had ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers say ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. If everyone on Earth sat down in the ocean, how ...