If you get up early enough, you can experience an equinox sunrise. The autumnal equinox heralds the arrival of fall in the northern hemisphere.

Brad Pitt's attempt to reap Gravity's fortunes stalled at the box office. Five years later, it still stands as one of the ...

No pain, no gain. But really, is it worth it? Aside from a small subsection of the world's population, most of us do ...

Invisibility is no longer just a topic of fantasy or science fiction; several companies around the world have developed technologies to make it a reality. Some use a combination of cameras and digital ...

For most of the year, the Earth’s axis is tilted either toward or away from the sun. That means the sun’s warmth and light fall unequally on the northern and southern halves of the planet. When the ...

However, as remarkable a technical achievement as it was to broadcast from the Moon in 1969, the video was grainy and black ...