New data shrank the odds that this asteroid will hit Earth, but astronomers will continue to study it. Here’s what you need ...

Lasers enable the U.S. Navy to fight at the speed of light. Armed with artificial intelligence (AI), ship defensive laser ...

The likelihood of 2024 YR4 colliding with the our planet in 2032 have ticked up to over 3 percent. Is it time to start ...

You can capture amazing astrophotos with only a camera and a tripod — this beginner's guide will show you how.

Astronomers are closely tracking asteroid 2024 YR4, a recently discovered near-Earth object (NEO) that has a 2% chance of impacting Earth in 2032. While the probability remains low, scientists stress ...

The Asteroid Terrestrial-impact Last Alert System, or ATLAS, telescope in Rio Hurtado, Chile, first discovered 2024 YR4 on ...

PeV — has been detected by the underwater KM3NeT telescope, marking a pivotal moment in astrophysics. This tiny but powerful ...

Astronomers briefly raised the alert level for an asteroid that could be on a collision course with Earth. They gave it a 3% ...

The James Webb Space Telescope has shown that the Milky Way’s black hole is constantly blazing with light, releasing long flares as well as short flashes every day.

YR4 has a small chance of hitting Earth in 2032, but as astronomers make more observations about its trajectory, the odds of ...

Two weeks ago, when Ars first wrote about the asteroid, designated 2024 YR4, NASA's Center for Near Earth Object Studies ...