Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

Astronomers working with the Hubble Space Telescope have identified an entirely new type of cosmic object. It is a cloud rich ...

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, ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

Starlink is separately planning to launch yet another 15,000 satellites that are designed for mobile service. SpaceX asked ...

Interstellar comet 3I/ATLAS has gone from obscure visitor to front‑page mystery, as a cascade of new images reveals behavior ...

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

NASA and its partners have supported humans continuously living and working in space since November 2000. A truly global ...

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

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

NASA, SpaceX and Blue Origin have all successfully launched superheavy-lift rockets. These massive vehicles are designed to ...

Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...