In 2014, Ramadan begins June 29 with crescent moon sighting

Ramadan, for observant Muslims, is a time of fasting, prayer and charitable giving.

Video: Dog, elephant, water

Every girl's fantasy?

Is Mauna Loa volcano beginning to stir?

Over the past 13 months, the Volcano Observatory in Hawaii has recorded increased activity on the flanks and summit of Mauna Loa, the largest volcano on Earth.

This date in science: Paris Metro begins operations

First subway system in France and second-busiest in Europe today. But its early days were not without controversy.

Preliminary data show May 2014 as warmest May on record

It now seems possible that 2014 could become the hottest year on record, if the trend from the first five months continues.

If drinking purified pee weirds you out, don’t live in a desert

Water recycling is probably a better option for California and other desert areas, assuming people can get used to the yuck factor.

Monster twin tornadoes strike Pilger, Nebraska

Amazing footage and video of two tornadoes striking near Pilger, Nebraska on Monday, June 16, 2014.

Hubble Space Telescope to seek spacecraft target beyond Pluto

NASA okays the use of the Hubble Space Telescope in the search for an object the New Horizons spacecraft can visit after its Pluto encounter in 2015.

Physicist and artist unveil designs for warp-speed spacecraft

The technology needed to create a faster-than-light spacecraft doesn't exist yet. Will a spacecraft like this one someday carry humans to the stars?

Vein scanning : Pay with your hand

New payment technique scans your palm's unique vein pattern