The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth.

Without plants on land, humans could not live on Earth. From mosses to ferns to grasses to trees, plants are our food, fodder and timber. All this diversity emerged from an algal ancestor that ...

Spring is arriving in the Northern Hemisphere with the vernal equinox. But have you heard the myth about balancing an egg on its end?

The U.S. military's classified mini space shuttle has returned to Earth after circling the world for 434 days.

Paleontologist Riley Black traces the cooperation among plants, animals, and ecosystems in “When the Earth Was Green.” ...

Astronauts Butch Wilmore and Sunita Williams' planned short ISS mission turned into an eight-month stay due to technical ...

Feb. 27, 2025 — Air pollution contributes to nearly 7 million premature deaths each year, and its effects go far beyond the lungs. Breathing in wildfire smoke or ... Models Show Intensifying ...

It's a two-for-one deal from NASA! Here are the details on their newest "double mission" to analyze our own star, and the millions beyond. 🚀☀✨ ...

NASA's two stuck astronauts are just a few weeks away from finally returning to Earth after nine months in space.

The vernal equinox heralds the arrival of spring in the northern hemisphere. But is it the only day you can balance an egg on its end?

As massive glaciers scratched and scarred Earth’s rocky surface, they freed less-common minerals, which were later flushed ...

NASA has a network of telescopes used to track near-Earth asteroids ... Photograph by NASA/Science Photo Library Asteroids often rotate, with their sunward side getting warmed up before spinning ...