Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

European Southern Observatory’s Very Large Telescope took photos a rare supernova roughly 300 years after it happened ...

Here are 8 incredibly beautiful and mesmerizing deep space images captured by NASA’s Hubble Space Telescope, showcasing the ...

Located billions of light-years away, the "Cosmic Owl" is a pair of colliding ring galaxies spotted by the JWST. It's also an "exceptional natural laboratory" for studying how galaxies evolve.

Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Scientists say that the construction of a vast new radio telescope array in the Utah desert — known as the Deep Synoptic ...

You can see the recently identified "interstellar object" 3I/ATLAS shooting towards us through the solar system in a ...