New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Hubble images of interstellar object 3I/ATLAS reveal a sunward anti-tail, showing a teardrop-shaped coma with separated ...

The image was taken when the exocomet was nearly 178 million miles away from Earth. In its blog describing the new picture, NASA remarked, Because the object comes from outside our solar system, it is ...

Interstellar visitor 3I/ATLAS has returned to Hubble’s field of view, and the fresh images are forcing astronomers to rethink ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

According to NASA, Hubble took its latest photo of 3I/ATLAS on November 30 using its Wide Field Camera 3 instrument. At that ...

WASHINGTON – The latest Hubble image released by NASA and its counterparts at the European Space Agency shows a spiral galaxy some 130 million light-years away from Earth but also a bright star in the ...

Jared Isaacman, the billionaire funder and commander of the Polaris Program missions, spoke on social media recently about why he wants a Hubble Space Telescope mission. A striking new Hubble ...

The Hubble Space Telescope has captured an intricate portrait of R Aquarii, an odd nearby binary star system that occasionally erupts into spectacular novae. A dazzling new image from the Hubble Space ...

In the Sagittarius constellation, a lone and first-ever solitary black hole has been discovered by a team of scientists. Although the discovery began in the year 2011, the observations have confirmed ...