An international team of astronomers has uncovered multiple evolutionary paths for the universe's most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion ...

Astronomers from the University of Geneva, working with colleagues in Canada and the United States, have captured the ...

A journey across 440 light-years to the young star HD 135344B surrounded by a dust ring featuring the tell-tale fingerprint ...

The new data confirm that TOI-561 b maintains a substantial atmosphere despite its extreme heat. Astronomers from the Carnegie Institution for Science in Washington, D.C., reported that TOI-561 b has ...

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

Winds exceeding 110 mph that tore across the top of Mount Hamilton early Christmas morning blasted a massive steel protective ...

A superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...

Are aliens real? A Nature Astronomy study reveals 87% of experts believe life exists. Explore how 3I/ATLAS and AI are ...

A comet tail pointing toward the Sun sounds like a mistake-but that is exactly the geometry Comet 3I/ATLAS put on display as ...

What was once framed as a straightforward hydrogen plume is now eclipsed by evidence of structured motion, symmetry, and complexity that challenges conventional comet science. Three months ago, NASA ...

When 3I/ATLAS swept past the Sun in late October 2025, it became only the third confirmed visitor from interstellar space ...