In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

The James Webb Space Telescope has discovered its first exoplanet, astronomers said on June 25, capturing rare direct images ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Harvard physicist Avi Loeb revealed that the object is expected to approach Earth on December 17, speeding through the solar ...

EXCLUSIVE: Scientists say the discovery of a Jupiter-like planet promises to further understanding of planetary systems.

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Astronomers using NASA's James Webb Space Telescope spotted TWA 7b, a Saturn-sized exoplanet around a nearby star ...

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of ...

Some planets take the expression "you're your own worst enemy" to the extreme — triggering stellar flares from their own ...