A rare event was observed as comet 41P/Tuttle-Giacobini-Kresák dramatically slowed its rotation and then spun in the opposite ...

First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

When NASA’s Hubble Space Telescope captured a sharp image of the interstellar object 3I/ATLAS on July 21, 2025, it handed ...

NASA and SpaceX will both provide live coverage of the Crew-12 mission to the International Space Station. Here's how to ...

A fresh analysis of Comet 41P/Tuttle-Giacobini-Kresák observations suggests it abruptly reversed its spin after its last Earth flyby—an extreme and unprecedented change.

SPHEREx detected a mix of molecules streaming off the comet, including water ice, carbon dioxide, and rocky material.

41P/Tuttle-Giacobini-Kresak is now known to be in the Jupiter family of comets, going from a little inside Jupiter's orbit to almost as far as Earth on its 5.4-year orbit. It is notable for its large ...

The broadest planned survey by NASA’s upcoming Nancy Grace Roman Space Telescope will reveal hundreds of millions of galaxies scattered across the cosmos. After Roman launches as soon as this fall, ...

The annular solar eclipse will see the moon cover the majority of the solar disk, surrounding it in a fiery halo.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Astronomers have discovered a planetary system that appears to flip one of astronomy's most reliable rules on its head.

A rocky exoplanet in the LHS 1903 system defies planet formation models, hinting that gravitational upheaval reshaped the red dwarf’s four worlds.