Astronomers have hypothesized about a Planet X for over a century. Now NASA’s WISE mission suggests Planet X will never be found, because it doesn’t exist.
Posts by Deborah Byrd
For reasons astronomers don’t understand, the rate of fireballs – or bright meteors – goes up by as much as 30% for several weeks around every March equinox.
The chain fountain looks like a magic trick. But it’s really a problem in the physics of everyday things.
Asteroid P/2013 R3 has been caught in the act of breaking into pieces. This is the first time astronomers have seen an asteroid break up.
For the second time in two days, an asteroid is sweeping safely through the Earth-moon system. How to watch online.
One moment you’re strolling across the golf course. The next moment your body is wracked with the searing pain of 50,000 degrees Fahrenheit.
NASA routinely studies lightning space to aid in weather forecasting. A new instrument is being planning for a 2016 launch.
Watch online as asteroid 2014 DX110 sweep closer than the moon on Wednesday, March 5.
Thousands of dolphins stampeding off Dana Point, California, three whales migrating near San Clemente, plus a newborn Humpback whale calf snuggling with its mom.
The Mars Curiosity rover is making its way toward the base of Mount Sharp, which is the central peak in the martian Gale Crater.