The moon’ tidal forces are pulling on Earth enough to slow down her rotation, by about 1.4 milliseconds every 100 years...

No sooner does NASA discover a crater filled with what is quite possibly tons of ice in the bottom of a crater on the moon’s version of Antarctica, than people start talking about ...

From Stonehenge to solar flares online, the summer solstice hits the Northern Hemisphere on June 20. At precisely 11:08 p.m...

Deep inside the unassuming borders of what is today Ohio sits a complex of earthworks aligned so precisely with the rise and set of the moon that modern surveying equipment could n...

An asteroid the size of the one that whizzed between Earth and the moon last year is going to cruise past our planet on Thursday June 14 and be monitored by the Slooh Space Camera,...

Well, not intentionally, of course...

It’s no accident that NASA and other institutions are broadcasting the 2012 transit of Venus from observatories on Hawaii...

It’s almost time! Today’s the big day, when Venus passes between Mother Earth and the sun in a unique alignment of the two planets with their star...

Twice a year the sun's golden orb shines straight down Manhattan’s east-west streets in New York City, shooting rays from the Hudson to the East rivers, framed by skyscrapers much ...

It will be an astronomical spectacle for the ages. On June 5 and 6, Venus will undergo a solar transit—for the last time in our lives...