Explore the Solar System in this video, which demonstrates the relative sizes of the planets and their distances from the Sun ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Asteroid 2026JH2 will zoom past Earth at a distance of only 90,000 kilometres next week. It has enough mass to wipe out a ...

Two airplane-size asteroids, 2026 HJ3 and 2026 HR, are set to make a safe close approach to Earth on 27 April 2026, passing millions of miles away with no risk of impact.

The African Union has called for replacing the venerable Mercator map projection with another one that would show Africa’s ...

Mother Ocean Day is Saturday, May 9, so here’s a few facts about our waters.

About 71% of the Earth’s surface is water-covered, and the oceans hold about 96.5% of all Earth’s water. Water also exists in ...

A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air. She picks up the scent from ...

The Pentagon released files, including videos, images, and PDF documents, at the domain war.gov/UFO, which seems to be ...

Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals beamed from other intelligent lifeforms in the galaxy. In the story, these ...

More than 100 projects to mine for the metal powering the green-energy transition have been proposed in the U.S. alone.

Many tools are accessible to most DIY beginners, but some equipment is too big, too powerful, too expensive, and best left to ...