There are about 15,000 satellites orbiting the Earth. Most of them, like the International Space Station and the Hubble ...

The final day of the annual Space Telescope Advent Calendar shows a new view of one of the most famous deep-space images of ...

Space debris – the collection of defunct human-made objects in Earth's orbit – is already affecting space agencies, companies ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging all explanations.

From stranded astronauts to secret moons to space photos that were once impossible to consider, here are the top space ...

The year’s most memorable moments from astronomy and space exploration include a double-detonating supernova, a private moon ...

Despite that unique vantage, the celebrations often look quite similar to how they would here on Earth. NASA astronauts share ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching ...

On March 31, SpaceX launched the private Fram2 mission, which sent four private astronauts on a 3.5-day mission to Earth ...

A year-end recap of 2025 in space, covering NASA leadership changes, space policy, major missions, scientific discoveries and key events across orbit and beyond.