KEY OBSERVATIONS The image looks ordinary at first glance, almost familiar—until it doesn’t. What appears as a faint ...

NASA has selected two Colorado companies to help develop a future NASA space telescope that will look for signs of life on other planets. The flagship project, called the Habitable Worlds Observatory, ...

The Hubble Space Telescope's newest images of 3I/ATLAS confirm the presence of its sunward anti-tail, contrary to the usual ...

Strange cosmic objects spotted by NASA's James Webb Space Telescope (JWST) are presently puzzling astronomers. The odd ...

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...

A team of scientists has estimated that the Hubble Space Telescope could reenter Earth’s atmosphere and meet its fiery demise ...

The Gemini North telescope and Subaru Telescope have been used to discover most distant merging quasars yet, "seen over 900 ...

NASA Hubble observations from late 2023 to early 2024 document measurable size, shape, and motion changes in Jupiter’s Great Red Spot over one oscillation cycle.

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

But first, a bit of space telescope history. One of the most powerful space-based telescopes to be launched into the Earth’s ...

KEY OBSERVATIONS A comet’s tail is supposed to flee the Sun, driven outward by radiation and solar wind. That rule has held ...

The CIA issues a 'Glomar' response over interstellar object 3I/ATLAS. Explore the 'triple-jet' mystery and Professor Avi Loeb ...