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

Searching for technosignatures—signs of technology on a planet that we can see from afar—remains a difficult task. There are ...

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

What if, someday, we decided that the usefulness of our planet had run its course, and humans needed to scour space to find ...

Using direct imaging, astronomers have found a brown dwarf that could help test technology for taking snapshots of Earthlike ...

Astronomers have identified a colossal exomoon candidate roughly seven Neptune masses orbiting the giant world HD 206893 B — ...

Drawing on the University of Arizona’s renowned strength in interferometry, astronomers from Steward Observatory are leading ...

Sometime in 2029, the European Space Agency is scheduled to launch its Comet Interceptor Mission. The Interceptor will wait ...

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NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

Scorching planets that should be bone-dry may actually create their own water deep inside, forging oceans through molten rock ...