YR₄ is no longer a threat to Earth, but the moon is not yet safe. Even observations from space have not changed this.

In the center of the Einstein ring is a lensing galaxy called an elliptical galaxy, which is smooth and shaped like an oval.

The James Webb Space Telescope has taken its first look at the near-Earth asteroid 2024 YR4 before a perilous close approach ...

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

The James Webb Space Telescope has detected unexpected hydrogen radiation coming from a galaxy that existed in the early ...

The James Webb Space Telescope has captured Neptune’s auroras, offering a fresh look at its atmospheric activity.

In a study published on Wednesday in the journal Nature Astronomy, scientists say unique auroras are visible on either side ...

A newborn star, a blast of glowing gas, and a distant spiral galaxy — all caught in one stunning snapshot by the James Webb ...

A stunning new image from the James Webb Space Telescope reveals a cosmic mirage known as an Einstein ring, where the light ...

Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could ...

James Webb Space Telescope captures Neptune’s auroras, revealing new details about its atmosphere and magnetism.

Astronomers finally spotted evidence of auroras on Neptune after years of searching, raising new questions about the planet.