October 2025 promises an exciting month for skywatchers as multiple celestial events unfold across the globe. From bright ...

A 50-million-light-year-long flow of hydrogen gas has been observed linking two tiny galaxies 50 million light-years away, ...

These rules make Star Wars feel like Star Wars instead of like some other fictional science fiction universe. Star Trek, for instance, has its own set of very different rules. These are the rules of ...

Scientists say 3I/ATLAS, one of the rarest comets ever seen, likely isn’t alone and that more interstellar objects may soon be on the way.

Hubble has captured a striking new image of NGC 2775, a galaxy that defies easy classification. Blending features of spirals, ...

The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came ...

Researchers from The University of Western Australia node at the International Centre for Radio Astronomy Research (ICRAR) have uncovered an immense structure, which spans an astonishing 185,000 light ...

An Earth-observing radar satellite launched in July jointly between the U.S. and India has returned its first images of our ...

I recall as a child lying on the grass at night, gazing up at the stars, and wondering if any of those distant suns had planets orbiting nearby. I was not the first to do so, of course. The question ...

Astronomers have discovered a massive bridge of neutral hydrogen gas that connects two dwarf galaxies. Scientists at the University of Western Australia node of the International Centre (ICRAR) have ...

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds.

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure ...