Ever since its formation around 4.5 billion years ago, Earth's rotation has been gradually slowing down, and its days have gotten progressively longer as a result. While Earth's slowdown is not ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Hot air holds more moisture than cold air. That simple truth, while familiar to anyone who’s used a blow dryer or walked outside after a humid shower, is driving a hidden shift in how droughts behave.

For decades, scientists have wondered how the Sun’s outer atmosphere — the corona — burns millions of degrees hotter than its ...

Earth' orbiting within its star's habitable zone, just 20 light-years from Earth, could host extraterrestrial life.

As telescopes have become more powerful, we’ve been finding tons of “exoplanets”—planets orbiting faraway stars. One such planet, known as exoplanet TRAPPIST-1 d, has intrigued astronomers looking for ...

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, raising the possibility that it could also have liquid water on its surface and ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...