The seventh Starmus Festival took place May 12–17 in Bratislava, Slovakia, and was a smashing success all the way around.

The Moon reaches Last Quarter as it travels past several planets in the sky this week. Plus, pick up a comet, star clusters, ...

A team at MIT discovered three of the oldest stars in the universe — 12 to 13 billion years old — hidden in the Milky Way’s ...

Gliese 12 b could be the nearest temperate world like our own located to date — but don’t book your travel tickets quite yet.

A new simulation of the Sun’s magnetic field may lead to a better understanding of solar storms and forewarning of a ...

A new study suggests that deep-space objects like Arrokoth could preserve primordial materials from the dawn of the solar system.

Researchers from MIT and NASA have measured how fast a supermassive black hole spins with a pioneering technique.

Tracking down the name of the peak known as Undset, a feature with sharply cut facets that reflect the rising Sun’s rays.

The Moon occults two bright stars along the ecliptic as we also enjoy comets, asteroids, and star clusters in the sky this ...

Galactic archaeologists have discovered primordial streams of thousands of stars in the Milky Way that may be the genesis of ...

This week we have a close conjunction between the near-Full Moon and the bright, red supergiant star Antares. Look south in ...

Deep in the heart of Texas, the unsung Southwest Research Institute creates some of the most innovative space technologies.