Space

Dave and Dr. Pitts count down the final days of summer as the Autumnal Equinox approaches. Expect shorter days ahead and dwindling daylig ...

Let’s sing the praises of NASA superstar Peggy Whitson! Now back on Planet Earth after 288 days in space, she’s now the most ...

Voyager 1 left Earth 40 years ago, on September 5th, 1977. Voyager 2 left first, on August 20th. Amazingly, both are still functioning. T ...

Asteroid Florence will pass Earth on Saturday. At 2.4 miles in diameter, it’s the largest since researchers began keeping close tab ...

Philadelphians turned out in a big way to view the solar eclipse on the Parkway. More than 10,000 people were lured by the Franklin Insti ...

You would think clouds moving in would be the worst thing that could happen during a solar eclipse. But in Princeton, New Jersey, it ...

Delawareans gathered at Brandywine Creek State Park to watch the solar eclipse. Hundreds flocked to state parks to catch a glimpse ...

Millions of Americans gazed in wonder through telescopes, cameras and disposable protective glasses Monday as the moon blotted out the sun

A solar eclipse in the 70s inspired Judi Provencal to study the stars. Now, as the resident astronomer at Mt. Cuba Astronomical Observato ...

Guests: Jay Pasachoff, Derrick Pitts, Dave Goldberg The excitement is growing in anticipation of Monday’ ...

Every sunny day — not just eclipse days — a tree canopy creates a pinhole effect with sunlight.

Paul Halpern, physics professor at University of the Sciences explains how scientists use this rare event in their research. The g ...

Retired Pennsylvania science teacher Stephen Berr made plans two years ago to witness this year’s solar eclipse in Driggs, Idaho. ...

Still trying to find the right No. 14 arc welder glasses for viewing the first solar eclipse of the century, or figuring out how you̵ ...

When the total solar eclipse darkens skies in the Philadelphia region Monday, it will interrupt the power-generating capacity of solar pa ...