In April, scientists captured global attention by announcing they’d found a molecule in a faraway planet’s atmosphere that could signal life there. But a new analysis by University of Chicago ...

Scientists detected the sugar erythrulose in interstellar space for the first time, suggesting key organic ingredients for ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, Saturn, Uranus, and Neptune? This is what a recent study presented at the 56th ...

Some of the most common planets in our galaxy may be hiding far more water than scientists can currently detect—even with the ...

Astronomers have catalogued more than five thousand planets orbiting distant stars, and a handful of them defy almost ...

Astronomers have discovered what appears to be an exoplanet that could be a distant Earthly paradise. Or it could be a frigid realm even chillier than Mars, incapable of supporting life. The margins ...