Spaceflight alters heart cells but they quickly recover back on Earth

Spaceflight causes thousands of changes in the ways heart cell genes are expressed, but these revert…

Voyager 2 sent back its first detailed data from interstellar space

Voyager 2 left our solar system in 2018 and has now sent back measurements from interstellar…

Cosmological crisis: We don't know if the universe is round or flat

An analysis of data from the Planck space observatory suggests the universe is spherical, which would…

We've finally figured out what happens when a star explodes

Explosions normally require a build-up of pressure, so how can they occur in the vacuum of…

We’ve found a black hole that may be smaller than any ever seen before

Astronomers have spotted a black hole just 3.3 times the mass of the sun about 10,000…

The ‘nuclear pasta’ in neutron stars could transform particle physics

 To learn more about the mysteries of quantum chromodynamics, we are probing the universe’s densest stars,…

How to spot Taurus, star clusters and a meteor shower in the night sky

The constellation Taurus is packed with interesting stars. Here’s how to find It, and learn about…

Don't miss: Risky flights, idiotic experiments and the secrets of life

This week, watch as fact and fiction meet above Victorian England, learn about our worst military…

Apollo collection curator on what Neil Armstrong took to the moon

Teasel Muir-Harmony, curator of the Apollo spacecraft collection, on awesome astronauts, her passion for space history…

Alien water may have been found on interstellar comet Borisov

Comet Borisov was recently detected entering the solar system from interstellar space, and now it seems…