What's the size of the Milky Way galaxy? Learn how, depending on your definition, the size can change.

Astronomers observing the visiting comet have detected shifting jet structures inside an unusual anti-tail, offering fresh ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

NASA’s SPHEREx space telescope has mapped the entire sky in 102 infrared colors for the first time, revealing cosmic secrets ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our sun millions of years ago.

Our understanding of the true nature of the cosmos relies on measurements of its expansion, but cosmologists have been ...

The more we hear about the upcoming Galaxy S26 series, the more underwhelming this launch feels. For a second there, Samsung had all of us fooled with dreams of a refreshed line-up consisting of a new ...

Scientists uncover unusually high methanol levels "raging" beyond the nucleus of interstellar comet 3I/ATLAS, revealing baffling chemistry and new cosmic clues.

Timi is a news and deals writer who's been reporting on technology for over a decade. He loves breaking down complex subjects into easy-to-read pieces that keep you informed. But his recent passion ...

For millennia humankind has peered into the night sky looking at stars far beyond the confines of our solar system. Now, in a first for our species, astronomers have captured an image of a star beyond ...