Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...
The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...
The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.
Get ready for some news that’s out of this world. An asteroid known as 2024 YR4 could be on course to make contact with the moon—and such an impact wouldn’t come without consequence, according to an ...
If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Such a cosmic ...
Smithsonian Magazine on MSN
The Dinosaurs of North America Were Thriving Up Until an Asteroid Wiped Them Off the Face of the Earth, Scientists Argue
A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...
Asteroid 2024 YR4 has a 4% chance of colliding with Earth’s moon in 2032, and some scientists are considering whether they ...
Deflecting asteroids by running spaceships into them may sound like science fiction, but it's quite real. And it's quite a ...
As the mysterious interstellar comet 3I/ATLAS speeds towards its perihelion on 29 October 2025, NASA's Asteroid ...
Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...
A massive crater hidden beneath the Atlantic seafloor has been confirmed as the result of an asteroid strike from 66 million ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results