Astronomers using theSubaru Telescope in Hawaiʻi have made groundbreaking discoveries, unveiling a massive planet and a brown ...

Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.

Astronomers have discovered an Earth-size planet orbiting an ultracool red dwarf star similar in size to Jupiter. The red dwarf, located some 55 light-years away, is 100 times less bright than the sun ...

Our medium-sized sun, in contrast, will shine for some 10 billion years before exhausting its fuel. SEE ALSO: NASA scientist viewed first Voyager images. What he saw gave him chills. The small Jupiter ...

WASHINGTON (Reuters) -Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star. The discovery defies current understanding of how ...

An exoplanet orbiting close to its host star triggers violent flares that are destroying its atmosphere, according to new research from the European Space Agency's Cheops mission. Credit: Janine ...

Stars form in massive clouds of gas called molecular clouds. As they form, they accrete gas from these clouds, and as the ...

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

Artist’s concept of a Neptune-sized planet, left, around a blue, A-type star. UC Berkeley astronomers have discovered a hard-to-find gas giant around one of these bright, but short-lived, stars, right ...

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...