Science

Pioneer 10 left the solar system – 33 years ago today. Traveling at 28,000 mph, the NASA spacecraft will pass the bright star of th ...

New studies of possible Planet Nine suggest it came from outer space – captured from one of our sun’s sibling stars not long ...

This piece is part of our “Bodies” show. Take a look at the rest of our stories here. ...

Thousands of people donate their bodies to science each year, to be dissected by wide-eyed med students during their first-year anatomy c ...

Mars is at its closest approach to Earth for this year. Surprisingly there are no rumors this time around about Mars appearing as large a ...

Dr. Robert Ownbey, a pathologist who heads up the Hahnemann Hospital ...

Beyond the eight planets orbiting our sun… the next largest objects are the cohort of so-called Dwarf Planets. Tomorrow marks the 5 ...

The Princeton Plasma Physics Laboratory (PPPL) just celebrated a milestone in its research on fusion energy. After nearly four years of r ...

The newest Kepler satellite data reveals startling information about frequency of earth-like planets – 3,200 planets now confirmed, ...

Astronomers may have discovered a way to ‘see’ dark matter using gravitational lens distortions to see perturbations in Einst ...

Next Sunday is Beltane or Bealtane, the cross-quarter day between spring and summer. Once upon a time, this was actually seen as 1st day ...

This weekend, Philadelphia will play host to its first-ever ...

Launch vehicle provider (United Launch Alliance) and habitat provider (Bigelow Aerospace) announce alliance to launch a private space hab ...

Astronomy Night is this Friday evening at 30 locations across the city. Find locations at philasciencefestival.org. This festival runs fr ...

Quasar 3C 273, that’s what’s hot. – 18 trillion degrees F! One of the largest black holes ever seen is discovere ...