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 ...

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

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.

Beehive cluster, a group of 1,000 stars, will be visible to stargazers in January. How to see it, what’s visible to naked eye ...

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

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

The Schmidts' philanthropic research organization will build a 3-meter space telescope and fund three ground-based facilities.

So from Morales’ location, the telescope’s passage across the Sun was so brief that missing the precise moment would have ...

NASA’s Hubble has examined Cloud-9, a strange object with no stars that offers clues about early galaxy formation and dark ...