parts of Africa, the Arabian Sea and South Asia. North America was not among the possible impact locations. The chance is so low that astronomers are not yet concerned about YR4. Still, space ...

Forget what you learned in school—Earth might not have seven ... taught to recognize seven continents: Africa, Antarctica, Asia, Oceania, Europe, North America, and South America.

The X-15 is the only conventional aircraft that has ever been flown above the “Karman Line” separating the Earth’s atmosphere from space ... flight aboard the North American X-15.

INDIANA, USA — Look up mid-March, and you'll see the moon turn blood red. The next total lunar eclipse will occur on the ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

On the outskirts of Cairo, a cutting-edge space lab was supposed to be the first in Africa to produce homegrown ... s most powerful telescopes, plus two Earth observation satellites launched ...