On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

A 'prelude to a supernova' is how NASA describes this stunning new James Webb Space Telescope image of Wolf-Rayet Star WR 124 ...

While scouring images from the James Webb Space Telescope, astronomers spotted Capotauro, "one of the most puzzling ...

The interstellar object 3I/ATLAS has shown surprising signs of nickel vapor, confusing scientists and raising questions about ...

Astronomers have generated the first three-dimensional map of a planet orbiting another star, revealing an atmosphere with ...

A newly observed interstellar object, 3I/ATLAS, contains iron-free nickel alloys — a composition former NASA surgeon Dr.

The interstellar comet 3I/ATLAS is now reaching its closest point to the sun, or perihelion, on Wednesday, according to NASA.

Astronomers have discovered three Earth-size exoplanets orbiting twin stars, a first in binary systems, potentially experiencing double sunsets akin to Star Wars' Tatooine.

In an ancient star system expected to be stable and dormant, scientists found a 3 billion-year-old white dwarf star still ...

Astronomers have generated the first three-dimensional map of a planet orbiting another star, revealing an atmosphere with ...

I/ATLAS is rich in carbon dioxide and challenging comet-theories. NASA's latest findings reveal why this interstellar visitor ...

Scientists have studied our solar system, which is home to eight major planets and more than 400 known moons orbiting six of them, to understand the new phase of the moon formation observed around ...