The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

A small, giraffe-size asteroid called 2025 TF came closer to Earth than some satellites on Wednesday (Oct. 1), stunning astronomers who first spotted it hours later. Measuring an estimated 3.3 to 9.8 ...

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of the solar system as we thought. A team of astronomers led by Julio Fernández ...

This is the most complete megaraptor skeleton ever found, and it hadn’t even grown to its full size yet. Whether the raptor died chewing on a crocodile is debatable, since there could have been a ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: A neutrino sensor array, ARCA, lines the Mediterranean ...

A massive asteroid nearly the size of a New York skyscraper will make a close approach, or pass, by Earth in the early hours of Sept. 18, according to scientists. They say the asteroid, officially ...

A skyscraper-size asteroid named 2025 FA22 will make a close approach to Earth this week, and you can watch it happen live online. The asteroid, measuring between 427 and 951 feet across, will pass by ...

From a tower with the largest clock on Earth to a mind-bogglingly tall building that holds 7 world records, this video presents a 3D comparison of the tallest skyscrapers on the planet. It features ...

We’ll always have Iron Man, they must be telling each other in Hollywood. As summer wanes, the hulking corpses of would-be blockbusters litter the home-video distribution channels like fallen Kaiju ...