YR4, once considered a potential Earth threat, now poses a 3.8% chance of hitting the Moon in 2032. Initially, NASA flagged a ...

Although we know that supermassive black holes (millions of times the mass of our sun) lurk at the center of most galaxies, ...

This is a still from an animation showing asteroid 2024 YR4 as it passes by Earth and heads toward its potential impact with the Moon. This 3D shape of the asteroid was determined from data obtained ...

After taking another peek at the "city-killer" asteroid that once had a small but uncomfortable chance of smashing into our ...