Flying from Orlando, FL the crew recorded on video rare footage of Discovery's final launch as it embarks on STS-133.

When Wylie Overstreet set up his telescope outside on a whim, he had no idea he would inspire awe in hundreds of strangers on the streets of Los Angeles, reminding them of their common humanity.

An idea born in unsettled times becomes a feat of engineering excellence. The most complex machine ever built to bring humans to and from space and eventuall...

An incredible photographic journey capturing amazing lightning displays around the world. Lightning is a massive electrostatic discharge between the electrically charged regions within clouds or between a cloud and the surface of a planet. The charged regions within the atmosphere temporarily equali...

US President Barack Obama has unveiled what he called "the biggest, most important step we have ever taken" in tackling climate change. The aim of the revised Clean Power Plan is to cut greenhouse gas emissions from US power stations by nearly a third within 15 years. The measures will place signifi...

The World is Watching Cities, Now More than Ever. The US withdrawal from the Paris Climate Accord brought cities into the spotlight. Because cities and mayors are acting now, and we must be right beside them as they become necessary leaders in this vital cause. As the world moves forward from Paris,...

Katharine Hayhoe, a co-author of the current Assessment (November, 2018) and director of the Climate Science Center at Texas Tech University, said in a Friday tweet that the White House’s claim is “demonstrably false.” The 1,600-page report, which was issued by 13 federal agencies and authored by

The SpaceX Dragon capsule is grappled and berthed to the Earth-facing port of the International Space Station's Harmony module at 12:02 p.m. EDT, May 25, 2012.

How will the Universe die? Everybody dies. The universe too? Well, probably. What are the current theories about the end of everything? And how creepy exactly? Very creepy but there is still hope and billions of years in between.

Looking at the Earth from outer space you can see the amazing beauty of it's oceans and lakes, mountains and countryside, glaziers and coasts , pastures, desserts and fertile land. You can see the sun shining through giving energy to our natural resources. At night you can clearly see all the living...