Quickly moving primordial black holes might leave tiny holes in regular matter as they tunnel through, leaving traces we ...

Anyone tempted to ascribe the nighttime sightings of aircraft to alien intelligence ought to be dissuaded by the vast scale ...

The Sun reaches its southernmost point, the Ursid meteor shower peaks, and the Christmas Tree Cluster glitters in the sky ...

Heat from tidal forces remelted the Moon’s crust, says new reesarch, which may explain why the Moon is older than some ...

A strange star has revealed to astronomers a mysterious past — one that involves the merger of two ancient suns.

Despite systemic barriers, Young persisted in the face of adversity. Her legacy continues today, but there is much work still ...

In a letter organized by a public interest group, 120 researchers have expressed concern about the number of satellites in ...

All but one of the Apollo program’s used lunar modules either crashed into the Moon’s surface or burned up in Earth’s ...

The seven stars that make up this famous asterism are part of Ursa Major the Great Bear. And they offer a lot more than meets the eye.

In this episode, Dave Eicher invites you to observe the nearly full Moon as it passes Mars on the evening of December 17.