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

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

The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.

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

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

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 ...

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

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

For most of human history, the night sky has been a shared inheritance, a source of wonder. Now, more than a billion children see barely any stars in the night sky above their homes. So what does that ...

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 ...

Story by Koji Uchida The official report for the "Milky☆Highway: The Galactic Limited Express: Local Service Bound for Theater" talk event, held on Saturday, February 21, 2026, has arrived! Director ...