Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

Astronomers suspect the heart of the Milky Way may be hiding a big secret: a rapidly spinning, highly magnetic, neutron ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...

In Amiri’s calculations, Dyson spheres around white dwarfs tend to produce cooler, fainter thermal emission that peaks in the near- to mid-infrared, while M-dwarf cases can radiate more strongly but ...

CAPE CANAVERAL, Fla. (AP) — A telescope in Chile has revealed in unprecedented detail the swirling splendor of star-forming gases at the heart of our Milky Way galaxy.

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

A new study by researchers at the SETI Institute suggests stellar "space weather" could make radio signals from ...

Obama thinks extraterrestrials exist and he’s not the only former president to think so... here’s what the scientists believe ...