Despite data suggesting interstellar object 3I/ATLAS is simply a comet, Harvard astronomer Avi Loeb still thinks something is ...

What's for sure is that the mystery surrounding an object known as 3I/ATLAS is becoming both more and less...mysterious as it flies through our neighborhood of the galaxy. Here's the latest from New ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

There are many programs that detect near-Earth asteroids as part of countries' planetary defense strategies. In the case of ...

An instrument is set to improve the detection and direct imaging of planets outside our solar system by harnessing the power ...

Space scientists look back on three decades of exoplanet discoveries—from rows of massive ‘super-Earths‘ to worlds with ...