If you were to ask a group of dedicated amateur astronomers to list their favorite telescopic targets, few if any would mention asteroids. That's easy to understand. The typical asteroid lacks the jaw ...

The release of iOS 26.3 beta 1 introduces a mix of incremental improvements and unresolved issues. While Apple continues its ...

A small, icy moon of Saturn called Enceladus is one of the prime targets in the search for life elsewhere in the solar system ...

As December nights grow longer, one of the season’s most fitting sights rises high in the evening sky: NGC 2264, better known ...

Extremely massive stars forged the Universe’s oldest star clusters. A team of astronomers from ICREA , the Institute of Cosmos Sciences of the University of Barcelona (ICCUB), t ...

Astronomers analyzing data from an array of telescopes — including the W. M. Keck Observatory atop Mauna Kea on the Big ...

Late Saturday night, or more accurately, early Sunday morning, I stepped outside, the cold north wind blistering my face.

Moab may be a destination known for extreme sports, but the natural wonders on its doorstep make it an ideal setting for ...

While NASA's James Webb Telescope and other instruments have already spotted abundant water vapor, carbon monoxide and carbon ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During its July 1, 2025 detection, the interstellar object happened to be moving ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to be true.

The cosmos rarely sends a visitor quite like 3I/ATLAS. This interstellar comet, only the third ever confirmed to tear through our solar system from a distant star, has captivated and unnerved ...