It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

The new study involved taking a fresh look at the "Altamura Man," which is an exceptionally well-preserved Neanderthal ...

It will be the second such hearing for Isaacman, whose first nomination President Donald Trump pulled earlier this year.

3I/ATLAS was first spotted in July by an Asteroid Terrestrial-impact Last Alert System, or ATLAS, telescope located in Rio ...

The comet, first discovered in July 2025, is only the third ever confirmed object to pass through the solar system.

Interstellar comet 3I/ATLAS has spent the last several months on a tour of our solar system. NASA spacecraft and telescopes ...

Comet 3I/ATLAS appeared as little more than a glowing white blob in NASA's long-awaited Mars images of the so-called "alien ...

Imaging suggests that a lot of the material coming off is in the form of dust grains. NASA indicated that two missions to ...