New Earth-sized planet discovered, and it may be able to support life
LP 791-18d orbits a small red dwarf star about 90 light-years away in a constellation called Crater in the southern celestial hemisphere
Mysterious, ultra low-frequency noises detected in Earth’s atmosphere — and scientists can’t explain them
Solar-powered balloons detected strange rumblings at a height of 70,000 feet above the Earth's surface. Scientists can't identify them.
Scientists discover secret ‘symmetries’ that protect Earth from the chaos of space
A new analysis of chaos in the solar system reveals how planetary collisions are avoided over billions of years.