Rain gauges did not exist millions of years ago. Instead, researchers turn to indirect clues left behind in rocks, soils, and ...

Crystals hidden in Australia’s oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests ...

Astronomers discovered a "quasi-satellite" of Earth, also known as a "quasi-moon," dubbed 2025 PN7 in 2025. NASA told Snopes ...

America’s ability to make precision-guided missiles was threatened during Trump’s tariff war. But experienced players have rescued the supply chain, for now. By Farah Stockman Farah Stockman covers ...

Over 300 million years ago, before the age of giant dinosaurs, Earth was covered with giant insects. Why were insects so enormous during this time? What did oxygen have to do with it? And why did ...

Just when the business of Thanksgiving has come and gone, Black Friday brings an encore of sales you’ve been waiting all year for. We're tracking the best Black Friday deals, and if we’re reporting on ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 encounter with Apophis. When you purchase through links on our site, we may earn ...

Much about interstellar objects still eludes us, but researchers figured out what it would take for a hypothetical space rock to collide with Earth. Simulations found that potential impactors are most ...

The “Boring Billion” is an informal description of a billion-year-period of Earth history (1.8 billion to 800 million years ago) where tectonics, climate, and biological evolution remained ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around Earth. Unlike the Earth's moon, quasi-moons are not gravitationally bound ...

New research reveals that nickel and urea once throttled Earth’s earliest oxygen producers, delaying the planet’s transformation for nearly a billion years. Credit: Shutterstock Billions of years ago, ...