Harvard physicist Avi Loeb is puzzled by the interstellar comet 3I/ATLAS after it turned a shocking green colour near the sun ...

The infrared James Webb telescope is 100 times more powerful than the Hubble telescope. It has 18 separate mirror segments made of ultra-lightweight beryllium.

The idea that life might exist beyond Earth remains one of science’s most enduring questions. That fascination has been ...

Nasa’s mission teams use extreme environments to trial equipment and procedures for future lunar and planetary exploration.

There are roughly 2.5 million known species on the planet, but scientists estimate that's only a fraction of the biodiversity on Earth. A new study shows we're finding new species like never before.