Scientists using the Hubble Space Telescope have measured the size of a small exoplanet just 22 light years away, confirming that it's the closest known Earth-sized world to our solar system to date.

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

Taking advantage of a total lunar eclipse, astronomers using NASA's Hubble Space Telescope have detected Earth's own brand of sunscreen - ozone - in our atmosphere. This method simulates how ...

Although astronomers have now discovered more than 5,000 exoplanets, or planets outside of the solar system, the large majority of these planets are considerably larger than Earth. That’s partly ...

On January 20-21, 2019, planet Earth came between the Sun and the Moon, draping the rocky body with its shadow in a total lunar eclipse. The Moon may have appeared dim to us here on Earth, but it ...

An interstellar visitor is zipping through the Milky Way, and a team of Michigan State University researchers is keeping ...

As the Hubble Space Telescope marks its 25th year in orbit, its successor is literally taking shape in a large room at NASA's Goddard Space Flight Center in Greenbelt, Maryland. There, engineers clad ...

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Decades of effort led to the launch of the Hubble telescope in 1990, but the work was just starting. Here's a look back at the events leading up to Hubble being placed in orbit and the amazing ...

Scientists using the Hubble Space Telescope have used the ageing space-based observatory to peer at the Earth during a total lunar eclipse. It’s the first time a total lunar eclipse—often referred to ...

Taking advantage of a total lunar eclipse, Hubble used the Moon as a mirror to study sunlight that had passed through Earth's atmosphere. As a result, Hubble detected Earth's own brand of sunscreen - ...

As the Hubble Space Telescope marks its 25th year in orbit, its successor is literally taking shape in a large room at NASA's Goddard Space Flight Center in Greenbelt, Maryland. There, engineers clad ...