Interstellar comet 3I/ATLAS, a visitor older than the Sun, has stunned scientists with a colossal, puzzling X-ray cloud ...

Astronomers are confronting galaxies that look too big and too old for the early universe, hikers and internet sleuths are ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been revealed by a new ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

One of the most spectacular meteor showers of the year reaches its peak this week—giving skywatchers the chance to see up to ...

Conventional telescopes are limited in detecting low-surface-brightness (LSB) structures, which are essential for studying ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...