The "Hubble tension," one of the most frustrating and lingering problems in science, could be solved if Earth and the Milky ...

Celestial objects known as dark dwarfs may be hiding at the center of our galaxy and could offer key clues to uncover the ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Researchers have uncovered how primate brains transform flat, 2D visual inputs into rich, 3D mental representations of ...

Cones outnumber rods only in the center of the retina, which is the area of greatest density. It is also the area most ...

Astronomers from Bulgaria and Egypt have performed multi-wavelength observations of a well-known blazar designated S5 ...

Some of the faintest, coldest stars in the universe may be powered not by fusion—but by the annihilation of dark matter deep ...

Light is everywhere, and it's made of photons,tiny particles that move at the speed of light through space, traveling vast distances in an instant. When you turn on a light in a room, photons begin to ...

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing the cosmos. To mark Webb's third year of operations, NASA shared an image ...

Save $300 on this Unistellar smart telescope that makes observation and astrophotography a breeze. We loved the eQuinox 2 for ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

A mystery interstellar object has been identified as the "oldest comet ever seen", according to scientists. The Oxford ...