New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion ...

A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according ...

Explore the vast and mesmerizing beauty of the deep universe with our latest video, "Deep Universe: Relaxing Video from Outer ...

Pulsars could be helping scientists distinguish between gravitational waves caused by supermassive black hole collisions and ...

Learn how many stars there are in the Milky Way, and how astronomers count them.

Astronomers have identified the most pristine star ever observed, located in the Milky Way's halo. This ancient star, with ...

NASA's SPHEREx is exploring the galaxies to answer the question of where we all come from while sending back jaw-dropping ...

Scientists found where the universe’s missing matter went. Black holes have been pushing it far away from galaxies.

A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of cosmic object in the Universe.

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

According to the model, dark matter may have started as particles that were hot, light, massless, and fast. As the universe ...

Unlike optical telescopes, ALMA observes in the millimeter/submillimeter range, between infrared and longer radio waves.