NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

This discovery was made by two of NASA’s most celebrated telescopes. This illustration provided by Dan Durda shows the exoplanet Kepler-1625b with a hypothesized moon. On Thursday, Oct. 4, 2018, two ...

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as number nine in 2006. Now, a group of international researchers say they may ...

The James Webb Space Telescope is NASA’s most precise and technically proficient equipment for observing the wonders of the universe. Astronomers rely on it to unravel the deepest secrets by peaking ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take an unusual path around ...

In space, no one can hear you scream. But just because sound can’t travel in the vacuum of space doesn’t mean that the ...

Carbon dioxide has been detected on a planet outside our solar system for the first time. The gas has been observed directly by the James Webb Space Telescope on four exoplanets, all belonging to the ...

"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link." ...

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise direction. However, the universe never ceases to amaze us with its unexpected ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.