Mercury Set to Cross the Sun in Rare Celestial Event On May 9 spectators around the world will have the chance to witness a rare celestial phenomenon when the planet Mercury slowly passes in front of the sun. WSJ's Monika Auger reports. Photo: NASA

Asteroid to Pass Close to Earth in March An asteroid could get as close as just 11,000 miles from the Earth surface when it passes by our planet on March 5. WSJ's Monika Auger reports. Photo: NASA

Monika Radulovic: The Australian Miss Universe who could win it all The young psychology graduate is topping the odds alongside fellow contestant Miss Brazil.

NASA Spacecraft to Fly Into the Sun NASA plans to send a spacecraft named Solar Probe Plus closer to the surface of our star than any previous man-made probe has ever been. WSJ's Monika Auger reports. Photo: JHU/APL

Earth-Sized Planet Found in Our Neighborhood A group of astrophysicists has found what they describe as the closest Earth-sized exoplanet ever discovered. The finding could provide our most in-depth look yet at a world not so different from our own. WSJ's Monika Auger reports. Photo: Dana Berry

NASA Shows Far Side of Moon As Never Seen Before NASA has published a video that shows the far side of the moon as never seen before. WSJ's Monika Auger reports. Photo: NASA

NASA Shows Far Side of Moon As Never Seen Before NASA has published a video that shows the far side of the moon as never seen before. WSJ's Monika Auger reports. Photo: NASA

Dramatic Video Shows SpaceX Rocket Crash Video released by SpaceX Friday shows the dramatic moment when a SpaceX Falcon 9 rocket crash-landed on January 10th. WSJ's Monika Auger reports. Photo: Elon Musk

Dramatic Video Shows SpaceX Rocket Crash Video released by SpaceX Friday shows the dramatic moment when a SpaceX Falcon 9 rocket crash-landed on January 10th. WSJ's Monika Auger reports. Photo: Elon Musk

Dramatic Video Shows SpaceX Rocket Crash Video released by SpaceX Friday shows the dramatic moment when a SpaceX Falcon 9 rocket crash-landed on January 10th. WSJ's Monika Auger reports. Photo: Elon Musk