Ryugu samples reveal traces of rock from before the Sun existed

Sun 'umbrella' tethered to asteroid might help mitigate climate change - a solar shield to reduce the amount of sunlight hitting Earth, combined with a tethered, captured asteroid as a counterweight

Sun 'umbrella' tethered to asteroid might help mitigate climate change

'Cannibal' coronal mass ejection that devoured 'dark eruption' from sun will smash into Earth on July 18