The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme ...

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

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

Light pollution from the exploding number of satellites orbiting Earth is making it harder to peer into space.

"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

New images from the Hubble Space Telescope and ESA’s JUICE spacecraft show interstellar comet 3I/ATLAS as it moves through the inner solar system, offering new details about its path, activity, and un ...