The SMITHSONIAN ASTROPHYSICAL OBSERVATORY is a part of the Smithsonian Institution which, in conjunction with the Harvard ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...

The legendary Hubble Space Telescope has turned its gaze to the Ursa Major-adjacent galaxy UGC 5460, revealing spiral arms, star clusters and a possible supernova "imposter".

Get Instant Summarized Text (Gist) Aromatic baths using essential oils significantly improved mood, activity, stability, and comfort in teleworkers within 10 minutes. Over four weeks, these baths ...

This image from NASA’s Chandra X-ray Observatory shows the location of different elements in the Cassiopeia A supernova remnant including silicon (red), sulfur (yellow), calcium (green) and iron ...

A star from dozens of lightyears away was to blame for what would soon happen. Cosmic rays from a nearby supernova would soon rain down on the unsuspecting cichlids, tearing apart their DNA ...

Resembling a squat, wide fridge, the world's most accurate clock went on sale for $3.3 million in Japan on Wednesday. The "Aether clock OC 020" is so precise that it would take 10 billion years ...