The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

A technique called interferometry can greatly magnify tiny objects on the sky, and is powerful enough to reveal the surfaces ...

Following decades of limited seabed exploration, NASA has developed new and astonishing technology for Seatrec's underwater ...

This makes it appear correspondingly smaller through a telescope—infinitesimally smaller, in fact, appearing as only a point ...

This month's full moon is often known as the "Cold Moon" to reflect the frigid temperatures that are common in the Northern ...

The Southern African Large Telescope (Salt) near Sutherland is celebrating 20 years of observing the night sky.

"In order to get such high sensitivity in the mid-infrared, one needs to go to space, as the atmosphere severely messes up ...

Skywatchers are in for a treat this week as the final full moon of 2025, known as the ‘Cold Moon’, rises this week ...

The full cold moon rises on Thursday, Dec. 4. This full moon also marks the final supermoon of 2025. Across Northern ...

This month will bring some striking celestial sights, including one of the year’s best meteor showers and a glowing ...

Ever since humans first gazed up at the night sky, the Universe has filled us with awe and wonder. Lately, however, it's also ...

On November 30, the near-Earth asteroid Eros will pass within 2 degrees of the Andromeda Galaxy's core, offering a rare ...