A scientist's quick animation reveals that Earth has two types of day

Earth doesn't take a full 24 hours to spin on its axis — but humans use the sun to...

A shocking image from space shows a record 5 tropical cyclones in the Atlantic basin at the same time

The satellite image also shows smoke swirling across the US from wildfires in California,...

NASA just fired up the most powerful rocket booster ever built

NASA hopes to fly the full Space Launch System in 2021, then send astronauts to the moon...

An asteroid flew within 3,000km of Earth — the closest pass ever — and we didn't see it coming

The asteroid, known as 2020 GQ or ZTF0DxQ, flew so near to Earth that it's now the...

Teens and young adults who vape are 5 to 7 times more likely to get coronavirus, a new study found

Health experts warned that vaping could leave lungs susceptible to severe Covid-19...

The first-ever space helicopter is en route to Mars, to shoot drone footage

The Ingenuity helicopter was a last-minute addition to NASA's Mars rover. It's expected...

25 epic images show how SpaceX made history by flying NASA astronauts to and from the ISS

NASA astronauts Bob Behnken and Doug Hurley's demonstration mission resurrected US human...

Nasa says never again after a Trump-flagged boat approached SpaceX’s splashed down ship

The Crew Dragon spaceship can be surrounded by toxic propellant fumes after landing. But...