For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that ...

OF201 is incredibly lightweight on a cosmic scale. Scientists estimate its mass is about 20,000 times less than Earth’s and ...

Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our sun. Like many small stars ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple ...

Read Two views of the planet Uranus appear side-by-side for comparison. At the top, left corner of the left image is a ...

OF201, a possible dwarf planet with a 25,000-year orbit, challenging theories about Planet Nine and the solar system’s edge.

A recently discovered celestial body is rewriting our knowledge of the Kuiper Belt and maybe challenging the existence of the ...

Astronomers at UCL and the University of Warwick, as part of a global collaboration including partners in Chile, USA and ...

As explained in a pre-press paper [PDF] titled “Discovery of a dwarf planet candidate in an extremely wide orbit: 2017 OF201” ...

The Unexpected PlanetStar TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our Sun. Like many small stars, it ...

A new model developed by Daniel Apai and his team offers a comprehensive method to assess the habitability of exoplanets, ...

Venus will rise in the eastern sky in the pre-dawn hours of June 1 alongside Saturn and Neptune. Venus reaches its point of ...