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Astronomy May 9, 2016

Mercury transit of the Sun on May 9: How to see it and what to expect

On Monday (May 9), you will have an opportunity to witness one of the rarest astronomical events: a transit of Mercury across the face of the sun.

Astronomy May 2, 2016

Pluto, Mars water and more! The biggest space stories of 2015

The year that was 2015 swept in a significant amount of space and astronomy science.

NASA May 2, 2016

The active Sun: US unveils plan to deal with space weather

The U.S. government is getting more serious about dealing with the dangers posed by powerful sun storms.

NASA May 2, 2016

Giant 'hole' in Sun is 50 Earths wide

The sun has sprung a leak: A hole in the topmost layer of the sun and its magnetic field, the size of 50 Earths, is letting loose an ultrafast solar wind that has kicked off several nights of auroras down on Earth.

Energy May 2, 2016

SolarCity will make its most sophisticated rooftop solar panel in the US – not China

SolarCity, co-founded by Tesla CEO Elon Musk, is bucking a trend by bringing production of its most-cutting-edge solar panels to the U.S.

Astronomy May 2, 2016

UK gov't: Earth will only have 12-hour warning to deal with massive Sun explosion

It sounds like a scene from a disaster movie – mass power failures, plane crashes, satellite disruptions, and train derailments. These are some of the threats modern society would face in the case of a massive solar storm, according to a new document released by the U.K. Department of Business, Innovation and Skills.

Spaceflight May 2, 2016

LightSail spacecraft snaps solar sail selfie in space

The Planetary Society's tiny LightSail spacecraft has sent a photo of its deployed solar sail down to Earth, confirming that the cubesat's shakeout flight has been a complete success.

Spaceflight May 2, 2016

LightSail spacecraft wakes up again, deploys solar sail

It wasn't exactly smooth sailing, but The Planetary Society's cubesat got the job done in the end.

Spaceflight May 2, 2016

US Air Force launches X-37B space plane on 4th mystery mission

The U.S. Air Force's X-37B space plane blasted into Earth orbit Wednesday, kicking off the robotic vehicle's clandestine fourth mission — as well as the first flight of a tiny solar-sailing spacecraft.

Spaceflight May 2, 2016

Tiny solar sail 'Cubesat' launching with X-37B space plane on Wednesday

A tiny solar-sailing spacecraft will hitch a ride on the rocket that blasts the United States Air Force's X-37B space plane into orbit on its latest mystery mission May 20.

Spaceflight May 2, 2016

Bill Nye launches Kickstarter to push solar sailing Cubesat to space

Bill Nye ("The Science Guy") wants you to be a part – and get a part – of a "revolutionary solar sailing spacecraft" mission.