From Earth, auroras — also known as the northern or southern lights according to the hemisphere in which they occur — appear as colorful lights dancing in the sky near the poles. Astronauts on the ...

Meet HD 98800, a nearby quadruple‑star system in the constellation Crater. It sits about 150 light‑years away and is 10 million years old.

Recent discoveries have unveiled the existence of hidden caves on Mars, raising intriguing questions about the potential for ...

A study has hypothesised that a cometary shower changed Earth's climate millions of years ago when humans were starting to ...

Sky This Week is brought to you in part by Celestron. Friday, November 14Auriga the Charioteer rides high in the sky tonight, reaching an altitude of 70° above the eastern horizon by local midnight.

A lone man walks across an expanse of ice; a mottled tundra; desert badlands. The single human figure becomes a focal point ...

Observations from the WM Keck Observatory reveal striking clumps and a wide gap in a dusty disc around a star 400 light-years ...

A swirl of gas and dust orbits a young star named HD 135344B, 440 light-years away in the constellation Scorpius. Inside that haze, astronomers have spotted telltale spirals that most theories link to ...

SAN FRANCISCO--(BUSINESS WIRE)--Planet Labs PBC (NYSE: PL), a leading provider of daily data and insights about Earth, and VITO, a leading European research and technology organization, today ...

A Mars-size object called Theia smashed into Earth, and the debris coalesced into the moon. Now scientists believe they may have identified pieces of Theia at the bottom of Earth’s mantle. A new study ...

A rocky planet in the Milky Way galaxy may have an atmosphere, raising the possibility that life could exist on its surface, according to experts. TRAPPIST-1e, a planet belonging to a collection of ...

Temperatures on the planet could make water theoretically possible. Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named TRAPPIST-1 e, ...