Features

We tested every single pair of Celestron 10x42 binoculars so you don't have to — find out which one comes out on top.

Humans grow tall in spurts, but what's our fastest period of growth?

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object.

AI is making gains in solving pure math problems. Can it crack the hardest problems in mathematics?

Your guide to the best sights the night sky has to offer from Dec. 20, 2025, to Jan. 4, 2026 — and the gear you'll need to see them.

A man with few risk factors unexpectedly experienced a stroke, and his daily energy drink habit may have been to blame.

Earth from space A 2022 astronaut photo shows a thick blanket of snow covering Yellowstone Lake, transforming the frozen body of water into a featureless white void. But below the ice lie some of Earth's hottest hydrothermal vents.

A pilgrim who visited the Second Temple in Jerusalem may have carved their memories into a limestone block for another synagogue.

Astronomers used major telescopes across the world to probe a cosmic explosion 8 billion light-years from the solar system.

Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.