YR4 were to strike Earth, the energy released could be equivalent to 8 megatons of TNT, capable of devastating an area the size of Washington, D.C.

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...

Only when the moon, Earth and the sun are perfectly aligned is the moon 100% full. And sometimes — once in a blue moon — the moon is full twice in a month (or four times in a season ...

Moment President Donald Trump stunningly admits he can't 'understand a word' from foreign reporter drawing laughter during joint press conference with Indian PM Modi.