For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary family. I’m not talking about reviving Pluto’s status, but about a potential ...

Astronomers on Mauna Kea found the first space object on which NASA’s Roman Space Telescope can test its imaging technology. A new “massive planet ” also was found, the W.M. Keck Observatory said in a ...

The unexpected detection of a new planet has been hailed as a “remarkable discovery” by Irish astronomers who were involved in its identification. The newly spotted planet, named WISPIT 2b, is ...

A newly discovered “super-Earth” planet could allow us to finally see alien life, researchers say. The world – named GJ 251 c and lying less than 20 light years away – is thought to be a “super Earth” ...

It’s so far away, scientists are effectively viewing it as it was during the 19th century – around the time the telephone was ...

An infrared image shows a brown dwarf discovered by astronomers using the W.M. Keck Observatory and Subaru Telescope on Maunakea on Feb. 23, 2024. Data from both the observatory and telescope ...