Scientists have used data from a long-retired NASA Dawn spacecraft to solve the mystery surrounding the origins of the strange dwarf planet Ceres. Ceres currently resides in the main asteroid belt ...

Ceres is no less prominent in the real world either. For a long time, however, it was not entirely clear whether the dwarf planet had formed in the asteroid belt or whether it had migrated inwards ...

I was part of a team that looked at Ceres with the Hubble Space Telescope and discovered that, unlike every other asteroid, it was a round object like other planets. And it's molded into that ...

Astronomers have identified the largest and most distant water reservoir ever detected in the universe. This immense ...

These are located approximately 300 light-years apart and were detected using NASA's Hubble Space Telescope and the Chandra X-ray Observatory. These black holes, buried deep within a pair of ...

The Hubble constant is one of the most important numbers in cosmology because it tells us how fast the universe is expanding, which can be used to determine the age of the universe and its history. It ...

Hubble and its fellow observatories give us an unprecedented, crystal-clear look at the far reaches of the cosmos. Explore these orbiting pioneers and learn what they've discovered. 3 min read The ...

The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to ...

New James Webb Space Telescope results have revealed that there may not be a Hubble tension after all. But contradictions within the findings point to a deeper mystery. When you purchase through ...

A nearby galaxy is shining with star formation in a new image from the Hubble Space Telescope. The spiral galaxy Messier 33 (M33), also known as the Triangulum Galaxy, is the third-largest member ...

The original version of this story appeared in Quanta Magazine. Nearly a century ago, Edwin Hubble discovered that the universe is getting larger. Modern measurements of how fast it is expanding ...

The Triangulum Galaxy, the third-largest member of the Local Group of galaxies, is shining with star formation in a new image from the Hubble Space Telescope. Located nearly 3 million light years ...