The James Webb Space Telescope has captured helium escape from this planet for the first time, and it is the most confident ...

NASA's exoplanet-hunting spacecraft TESS has heard the song a star-quaking red giant sings to its partner black hole.

NASA has completed assembly of the Nancy Grace Roman Space Telescope, moving the mission into critical testing before its ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

Analysis of early direct images from James Webb telescope show immense dust clouds on brown dwarf that lead to a blurring of ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

"Abnormal, chaotic and strange" are just a few adjectives astronomers are using to describe a perplexing planetary system 60 light-years from Earth. And for one of the two exoplanets orbiting the ...

Could a recently discovered "super-Earth" have the potential temperature and conditions to sustain life? The new exoplanet is situated "fairly close to us" -- only 137 light-years away -- and orbits ...

The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space ...

NASA is celebrating a big milestone after the 6,000th exoplanet discovery was confirmed this week. Exoplanets are worlds outside our solar system. Just over three decades ago, the first exoplanets ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...