Given 3I/ATLAS' highly eccentric orbit, this will be its one and only visit to our solar system, as its trajectory does not loop back around the sun. That's why astronomers around the world are using ...

“We were looking to answer, ‘How do dark matter and dark energy shape the universe we live in?’” said David Silva, UTSA ...

July's third quarter moon phase occurs at 8:38 EDT (0038 GMT) on July 17. At this moment, skywatchers in the northern ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

Cameras on the ground need strong solar filters to photograph things like an eclipse, yet NASA has made a camera that was ...

Answers to those questions could come from a telescope with the world’s largest digital camera, a project with initial ...

A paper published this week by doctoral candidate Te Han and his adviser, Paul Robertson, probably shrinks the number of ...

Comet 31/ATLAS, a rare interstellar object, may be 7 billion years old and could reveal secrets about the early Milky Way and planetesimal formation processes.

On its record-breaking pass by the Sun late last year, the Johns Hopkins APL-built Parker Solar Probe captured stunning images from within the Sun’s atmosphere. Taken closer to the Sun than we’ve ever ...

After a dramatic 1971 incident in which the sole medical doctor at a USSR station had to cut out his own appendix, some countries made appendectomies a requirement for their “winter-over” medical ...