Little Foot is a near-complete Australopithecus skeleton — the most complete ever discovered — from South Africa. Researchers ...

"This Week in Space" hosts Rod Pyle and Tariq Malik discuss a weird rock that was spotted on the Red Planet by NASA's ...

Wondering what 3I ATLAS is all about? Here's what to know as interstellar comet 3I/ATLAS nears Earth this week, when to watch ...

Over a month after its perihelion, or closest pass of the Sun, observations still clearly show 3I/ATLAS' "anti-tail." ...

Scientists have been following the comet's journey since its first sighting was reported in July and it will be seen at its ...

With 3I/ATLAS just days away from making its closest approach to Earth, agencies around the globe are conducting the largest ...

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as ...

Principal researcher James Bauer says observations from the International Asteroid Warning Network will help experts better understand how to send spacecraft to comets in the future ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. Interstellar ...

The European Space Agency's X-ray space observatory XMM-Newton observed interstellar comet 3I/ATLAS on 3 December for around ...

The interstellar comet known as 3I/Atlas will pass within 167 million miles of our planet Friday – the closest it gets on its ...

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