The Deep Impact impactor spacecraft scored a direct hit on Tempel 1 on July 4, (see page 28). The flyby craft took this picture 67 sec. after the strike with its high-resolution camera. The ejected ...

As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

CAPE CANAVERAL, Fla. -- A NASA spacecraft with a Hollywood name -- Deep Impact -- blasted off Wednesday on a mission to smash a hole in a comet and give scientists a glimpse of the frozen primordial ...

A groundbreaking discovery was recently made about the largest comet ever observed hurtling toward the sun from the Oort Cloud in the outer reaches of our solar system. Astronomers recently got a ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here are all of your questions answered. Astronomers have confirmed a rare and ...

The object, dubbed 3I/ATLAS, has been the subject of much speculation in recent months with some experts warning that it ...

A s of today, October 30, 2025, the world is holding its breath. The mysterious interstellar object 3I/ATLAS is currently hidden by the sun, having just passed its closest approach yesterday. We are ...