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.

This December, Jupiter and Saturn will put on a show for skygazers that hasn’t been seen in roughly 800 years. Astronomers are calling it the Great Conjunction of 2020. On December 21 ...

A Cold Moon hangs in the sky while Jupiter still shines bright and the Geminid meteor shower peaks in the sky this week.

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

In recent years, many amateur astronomers have added a new item to their toolkit: a smartphone. Here are one observer's ...

Engineers believe they have identified the likely cause of the crash of the space agency’s Ingenuity Mars helicopter.

This report represents the collective hopes of scientists who study the Sun, setting out plans for improving our knowledge of ...