Simulations show two satellites per Hubble exposure. China’s Xuntian telescope may see 92 satellites. Its wide view makes it ...

SpaceX launched yet another batch of its Starlink internet satellites to orbit on Thursday (Dec. 4), sending 28 of them up ...

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

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 ...

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

Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction.

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

Lead author Alejandro Borlaff, a NASA research scientist, says the trend marks a troubling shift: “My career has been focused ...

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

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

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