Hubble Space Telescope Discovers A Planet No One Expected Russian secrets revealed: Ukraine leaks classified details of ...

It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

A source at NASA familiar with the operation told The Post that the images from the Mars orbiter, taken in October and ...

Hubble’s new detection shows a planet circling a star in one of the most unlikely environments ever recorded. The readings ...

Astronomers have for the first time detected a coronal mass ejection from another star, shedding light on worlds orbiting red ...

A University of Iowa researcher has been awarded funding from NASA to create an interstellar map that could lead to more accurate observations of planets located outside our solar system — known as ...

One reason for its renown is its fortunate overhead position each autumn. Probably another attraction is its mellifluous title. The galaxy M87 is bigger while Centaurus A is more mysterious. But none ...

The James Webb Space Telescope was built with a flaw, and because it's a million miles away, we can't repair it, but we can ...

Through international collaboration, a team of astronomers has confirmed two exoplanets and found hints of a third exoplanet ...

Is 3I/Atlas an alien spacecraft or just a really interesting rock hurling through the cosmos? That debate has been raging ...

As 3I/ATLAS races through our solar system, NASA and Harvard take unprecedented action to study its bizarre anti-tail and ...