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

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

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.

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 ...

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

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

A supernova from the early universe looks unexpectedly familiar, challenging ideas about how the first massive stars lived ...

Astronomers have made a truly mind-boggling discovery using the James Webb Space Telescope (JWST): a runaway black hole 10 ...

Webb Telescope detects an atmosphere on TOI-561 b, a scorching rocky planet once thought too small and hot to hold onto its ...

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 ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...