"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." In 2016, astronomers spotted a quasi-satellite asteroid about the size of a ferris wheel in an Earth-like ...

Foreword -- Preface -- Acknowledgments -- Science and critical thinking -- The flat earth -- Ptolemy revisited -- The hollow earth -- Is the earth expanding? -- Did we really land on the Moon? -- ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CAPE CANAVERAL, Fla. (AP) — Planet Earth is ...

Learn more about magnetic “switchbacks,” an odd magnetic twist that wasn’t expected to happen so close to home.

NASA technology discovered a “super-Earth” exoplanet emitting “strange signals.” Rating: Mostly True (About this rating?) What's True: Scientists using NASA's Transiting Exoplanet Survey Satellite ...

A weird "quasi-moon" of Earth is about to get a name — and you can be part of the process. Earlier this year, the science podcast Radiolab and the International Astronomical Union (IAU) — the ...

Earth’s magnetic field plays a key role in making our planet habitable. The protective bubble over the atmosphere shields the planet from solar radiation, winds, cosmic rays and wild swings in ...

To paraphrase a popular saying, nothing in this world is certain except that socks disappear in the laundry and taxes. It's why we bring an umbrella even when the highest-paid weatherman predicts blue ...