Earth
A scorching, rocky planet twice Earth’s size has a thick atmosphere, scientists say
Science
DALLAS (AP) — A thick atmosphere has been detected around a planet that’s twice as big as Earth in a nearby solar ...
Over 500 million years ago, weird complex creatures emerged on Earth. Scientists now think they know why
Science
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Earth’s magnetic field ...
Watch 2 bus-size asteroids make close flybys of Earth this week (video)
Science
Two bus-sized asteroids will zip past Earth closely but safely this week, starting with a 7-meter-long (22-feet) space rock named 2024 JF ...
China launches Chang’e 6 sample-return mission to moon’s far side (video)
Science
China is headed back to the moon’s mysterious far side — and this time, the nation will bring back some souvenirs. The ...
The lunar far side is wildly different from what we see. Scientists want to know why
Science
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When the Chang’e-4 ...
Scientists say they’ve traced the origins of a potentially hazardous near-Earth asteroid to the far side of the moon
Science
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An unusual asteroid ...
China’s Shenzhou 17 astronauts return to Earth after 6 months in space (video)
Science
Three Chinese astronauts returned to Earth today (April 30) after six months in the final frontier. The Shenzhou 17 spacecraft touched down ...
Rare dinosaur tracks are longest continuous set of sauropod footprints
Science
A long-necked sauropod made these dinosaur tracks (looping round impressions) in Colorado some 150 million years ago during the Jurassic Period. The ...
Ancient rocks hold proof of Earth’s magnetic field. Here’s why that’s puzzling
Science
A 3.7-billion-year-old record of our planet’s ancient magnetism has been unearthed, providing evidence that Earth’s magnetic field already existed very early in ...
Earth’s weird ‘quasi-moon’ Kamo’oalewa is a fragment blasted out of big moon crater
Science
Earth’s “quasi-moon” was likely blasted away from the actual moon relatively recently in the solar system’s history, a new study suggests. Kamo’oalewa, ...
