Ebola’s first documented outbreak was in 1976. But the Ebola virus family has been around for 16 to 23 million years, says new research.
Watch the NASATV live broadcast of the catastrophic launch failure. The rocket was bound for the International Space Station, loaded with supplies.
A very good 7-minute film, called Ambition. It’s not like any film about space exploration you’ve ever seen. The Rosetta comet mission lies at its heart.
2015 has 6 supermoons! The closest is the full moon on September 28, 2015, which will also undergo a total lunar eclipse.
Are those loud rumbles of thunder – or pelts of hail hitting your roof and knocking on your windows – or a crazed psycho killer on the loose?
The Hindu festival of Diwali is October 23, 2014. It’s a festival of light! But not so much so that you can see the light of Diwali from space.
A total solar eclipse of August 22, 1142 may have coincided with the birth of the Iroquois Confederacy, oldest democracy in North America and possibly on Earth.
Scientists say that the tsunami that hit Japan in 2011 was a thousand-year event. A monster wave might strike Hawaii about as often.
The fabled quinary or 5th order rainbow is made by sunlight reflected five times inside raindrops. Now, for the first time, we have an image of one.
The close pass of Comet Siding Spring to Mars was exciting! Closest approach was October 19. Watch for photos from the event here at EarthSky.org.