Recently the asteroid 2024 YR4, which is expected to pass Earth in 2032, was calculated to have a 1 in 83 chance of striking our planet. Then a week passed and suddenly there was a new headline ...

If a person with a mass of 55kg was to travel to Jupiter or Pluto, the effects of gravity would be very different from those on Earth. Gravity is the pull that a planet exerts towards its centre.

Gravity could feel like a punishing force as Sunita Williams and Butch Wilmore’s bodies readapt to life on earth. Stranded astronauts Sunita Williams and Butch Wilmore are expected to return to ...