Science

Autumn officially arrives Wednesday; at 4:21 am, Earth arrives at that point in its orbit where the rotational axis is in a position that ...

The target demographic for technology companies felt decidedly gray for a while Thursday. Entrepreneurs mingled with assisted-livi ...

This is the last week of summer. Autumn arrives next Wednesday. NASA’s New Horizons is en route to a 35 mile-wide iceball on ...

Islands on Pennsylvania’s waterways are often overlooked, difficult to access or seen as liabilities, but some people are trying to change that.

A New Jersey inventor unveiled Friday what he is calling the first fully-permitted and affordable house powered by solar and hydrogen in ...

Along with the great visibility of Venus and Mars in the pre-dawn sky and Saturn in the evening, the big event this week is something we ...

After 36 hours of near nonstop coding, the world’s largest student hackathon will wrap up Sunday in South Philadelphia. ...

If you’re struggling to keep track of Pennsylvania’s 985 active road construction projects, you can finally rest easy. ...

20 planets beyond our solar system need names. . . . and the public is invited to give its thumbs-up or down to proposals. Results will b ...

On August 27th , Mars will appear as large as the full moon. Don’t believe this hoax; It could happen BUT if it does, we have a lot ...

Recently, about a hundred hardy souls paddled down the Schuylkill River, from the quiet banks of Schuylkill Haven to the skyscrapers of P ...

There’s a great International Space Station pass tonight northwest over to the west; 8:51 to 8:58, but it’ll blink out of sig ...

Perseid Meteor Shower peaks this week. – Weds night, Thurs night, Fri night. No moon this year, so it should be much easier to obse ...

Steve Case is coming to Philadelphia — and bringing his money — in search of promising start-ups. The billionaire co-founder o ...

A quintuple star system is discovered in the constellation Ursa Major. Multiple systems are not unusual, in fact most stars are mu ...