Scientists have uncovered dozens of previously undetected fragments of space debris, revealing a “potential minefield” in ...

On Friday, April 13, 2029, the asteroid Apophis will fly record-breakingly close to Earth. Despite the reputation of the date ...

To align Universal Coordinated Time with the Earth’s rotation, a second occasionally gets added to the year. That may change in 2027 ...

The spread of the ocean floor, as tectonic plates spread apart, is known but hard to observe. Scientists have now documented ...

"Observations of sun-like giant stars currently point towards Earth's survival, but we need better observations before we can ...

Every time I see the moon in the sky, it makes me happy. The big picture of the moon’s origin is fairly well established.

Here’s how to see the year’s most-intense meteor shower, a blood-red lunar eclipse and Saturn’s refreshed rings this summer.

Every time I see the moon in the sky, it makes me happy. Our natural satellite is so familiar it’s easy to take it for ...

NASA’s Earth-observing satellites track an enormous range of phenomena: how aerosols move through the atmosphere, how moisture descends through soil, how land-cover shifts over decades. It’s some of ...

Tianwen-2 asteroid mission closes to within 20 kilometers of Kamoʻoalewa on July 4, 2026 — China‘s first sample-return probe ...

Searching for habitable worlds beyond our solar system involves more than having a planet orbit within its star's habitable ...

“Human beings have a remarkable ability to accept the abnormal and make it normal,” observes Ryland Grace, the main protagonist of Project Hail Mary, as he floats alone in interstellar space, millions ...