The colliding objects are at least 37 miles across — at least four times larger than the object that collided with Earth 66 ...

"Virgil has two personalities, its 'good' side – a typical young galaxy quietly forming stars. But Virgil transforms into the host of a heavily obscured supermassive black hole, pouring out immense ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

The interstellar comet 3I/ATLAS is making its closest approach to Earth on Dec. 19. Learn about the 'reconnaissance mission' ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...