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Because we live within it, we cannot take a photo of our home galaxy –
Galaxies come in all sorts of shapes and sizes. They can be broadly classified as spiral, elliptical or irregular, but each of these still leaves plenty of scope for variety. Take, for instance, the s
Seeking answers to your science questions? Ask our resident expert, Peter Gallivan
On 23 July 1999, Space Shuttle Columbia launched its heaviest-ever payload: the Chandra X-ray Observatory, a new flagship telescope for NASA. It is the world’s most powerful X-ray telescope, capable o
The best discoveries, inventions and surprises
The high-tech Japanese sake company Asahi Shuzo is taking a bold step forward by attempting to brew its sake off-world for the first time, with the ultimate goal of being able to brew sake on the Moon
What would you say if intelligent aliens came calling?
