7 weird facts about black holes

Building a real-life TARDIS is mathematically possible, say physicists

15 astounding facts about trees

2.4 billion-year-old fungus could rewrite our evolutionary heritage

Artificial photosynthesis achieved in device that also cleans the air

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We could visit another star system in just 69 years

Big voices rally behind March for Science

Lyrid meteor shower to peak on Earth Day

Cosmic web of 'dark matter bridges' link galaxies across the universe

Can something have negative mass? Yes, and scientists have created it

Why do your shoelaces keep coming untied? These scientists are on the case