Astronomy

NASA successfully crashed a spacecraft into an asteroid in a test of planetary defense. Now it will determine whether the mission was able to alter the asteroid's course.

June's full moon gets its nickname from the strawberry harvesting season in the Northeastern U.S. It also happens to be at its closest distance to Earth in its orbit, which makes it a supermoon.

Caitlin Casey, an astronomer with the University of Texas and the Big Bend region’s McDonald Observatory, will co-lead the largest research project in the first year of the powerful new telescope’s operation.

The comet was discovered less than a year ago near the orbit of Jupiter. Now, observers in North America can see it in the northeastern sky around sunrise.

Wipe the dust off your binoculars and extract the family telescope from the back of the closet: Saturn is about to put on its best and brightest show of the year — an act Jupiter will soon follow.

Its name has ties to strawberry picking season, and when the strawberry moon appears above the horizon, the marginal supermoon will look large and gold.

Early risers across the Northern Hemisphere will be able to see an eclipse Thursday morning when the moon passes between the Earth and the sun.

Texas state Rep. Erin Zwiener wants to make sure that astrotourism to the region continues. Ahead of the legislative session, she filed a bill that would allow cities to enforce lighting ordinances outside official city limits.

At least, that's how it will look to someone craning their head aloft. On the winter solstice, the pair of gas giants will appear closer to each other in the night sky than they have in centuries.

Mercury is putting on a rare celestial show next week, parading across the sun in view of most of the world.The solar system's smallest, innermost planet…

The billionaire wants to deploy thousands of satellites in order to provide global Internet, but astronomers say they could create unsightly glare.

The 60 or so members of the Jasons are normal academics by day. But each summer, they come together to study tough problems for the military, intelligence agencies and other parts of the government.