These results suggest that similar reactions between helium and iron may have occurred within Earth’s core shortly after its formation, trapping much of the primordial helium-3 in the material that ...

This is likely why some people in the past believed the Earth to be flat. But most people now know that is far from the truth. You live on the surface of a giant sphere, like a beach ball the size ...

Researchers led by Dr. Maura Brunetti at the University of Geneva studied fossilized plant remains, using spores, pollen, and ...

The first layer is the crust, a thin outer shell that extends about 18 miles (30 km) below the planet's surface. The next layer, the mantle, stretches about 1,800 miles (2,900km) below Earth's ...

Here on Earth, we tend to take showers for granted. But for astronauts stationed in space, taking a quick rinse—much like cooking, eating, using the toilet, and just about every other mundane, ...

Giant Ice Bulldozers: How Ancient Glaciers Helped Life Evolve Feb. 25, 2025 — New research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth's surface and ...

A shrinking thermosphere means less drag, which could hinder the natural removal of space debris impacting satellites, as per ...

It is due to reach Jupiter in July 2031, with flybys en route to Venus (August 2025), Earth (September 2026 ... discharge occurring on the surface of the spheres, a special approach with optimized ...

That’s not even close to the size of the “planet-killer” asteroid that slammed into Earth 66 million years ... light reflected by the asteroid’s surface is used to estimate how big it ...

SETI research often involves hunting for technosignatures—evidence of technology from distant civilizations. But how ...