On the last day of May, on the brink and verge of summer, Saturday in the District was breezy and bright, stormy and dark, ...

For D.C.-area aurora chasers are recommended to scan the northern horizon visually and with a smartphone/camera starting as ...

The curious minds at Aperture explain the mysterious force of dark energy and its crucial role in the expansion of the ...

Also appearing near the moon on the first night of the month is Regulus, the bright pale-blue star in the constellation Leo, ...

The move — reportedly motivated by Isaacman’s past support of Democratic politicians — leaves NASA leaderless amid massive ...

Your family doesn’t have to break the bank for summer entertainment. Check out these cheap child-friendly attractions.

Moved to Boston, where he took a job appraising buildings for an insurance company. Became so fascinated with the buildings’ designs that he decided he would become an architect. Enrolled at the ...

Archaeologists have discovered the remains of a nearly 3,000-year-old Mayan complex in Guatemala, revealing sanctuaries, ...

Aurora conditions may be strong enough over the next few nights that the northern lights could be seen visually and with cameras. Here’s when to look up and gaze at the sky.

A new information superhighway involving telescopes, satellites, remote mountain tops, and mirrors is rapidly evolving ...

A passing star has been discovered that could cause chaos in the Solar System, sending Earth flying out of orbit.