A breathtaking new image of the RCW 38 star cluster showcases a cosmic nursery bursting with color, light, and energy.
Deposits Found on a Nearby Asteroid Point to Salty Water in the Outer Solar System Scientists have uncovered salt minerals in ...
Two weeks ago, when Ars first wrote about the asteroid, designated 2024 YR4, NASA's Center for Near Earth Object Studies ...
The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger ...
New black-and-white pictures have emerged of 2024 YR4, the 'city killer' asteroid that has a 1-in-48 chance of smashing into ...
The large space rock, named 2024 YR4, could destroy a large city and kill millions of people if it smashed into the Earth in ...
A Chilean space telescope has captured striking images of YR4 2024, the “city-killer” asteroid that’s potentially on a ...
A Bennu-type asteroid could lead to “severe environmental consequences,” researchers write, while acknowledging that a ...