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

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

In April, during Jared Isaacman's first nomination hearing for the post of NASA administrator, the Democratic senator from Massachusetts asked repeatedly if SpaceX founder and CEO Elon Musk was in the ...

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

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