Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was discovered using wide-field imaging. The Subaru Telescope has spotted a distant ...

Astronomers have discovered a bright signal, embedded deep in a young disc, that is likely young planet HD 135344B still ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

As the number of confirmed exoplanets approaches 6,000, Earth-sized exoplanets like GJ 12 b are helping astronomers better understand the formation and evolution of exoplanets orbiting M dwarf ...

When the Sun expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer regions.

WASHINGTON (Reuters) -Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star. The star is only about a fifth the mass of the sun ...

Yet the existence of TOI-6894b (a giant planet orbiting an extremely low-mass star) suggests this model cannot be completely accurate and alternative theories are needed.

There have never been so many satellites orbiting Earth as there are today, thanks in part to the launch of mega constellations like SpaceX's Starlink internet service - and now we are learning ...

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's distance from the Sun.

"Improbable" Planet Is Orbiting A Stellar Odd-Couple The Wrong Way Round Such a planet has never been seen before, and there are strong theoretical grounds against its formation.