If the explosion of one of these black holes were observed, scientists “would also get a definitive record of every particle ...

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object with interstellar origins that has defied ...

Hayabusa2 asteroid Ryugu samples reveal liquid water flowed through rock over one billion years after formation.

A team of researchers, including those at the University of Tokyo, discovered that liquid water once flowed on the asteroid ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system.

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

A SpaceX Falcon 9 launch on Sept. 23 will send three spacecraft a million miles from Earth to map the heliosphere and expand ...

Astronomers have uncovered a surprising new structure in our region of the galaxy, an interstellar tunnel that appears to ...

A detailed study of a cosmic mystery known as "The Accident" has now provided new insight into the formation of clouds on ...

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

NASA has firmly debunked a Harvard astronomer's suggestion that an interstellar comet passing through our solar system might ...

The dwarf planet Pluto and its five known natural satellites (Charon, Styx, Nix, Kerberos, and Hydra) may be frigid, but ...