Skytalk Archive

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

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 ...

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

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 ...

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 ...

This Friday, a SpaceX supply mission will carry among other things, a 3,100 lb inflatable habitat test module built by Bigelow Aerospace. ...

Losing sleep over killer asteroids? A new system that takes 1000 images a night and can immediately determine if an object is close to ea ...

European Space Agency and Roscosmos partnered to send a methane-hunting orbiter and a EDL systems tester to Mars. Should arrive in Octobe ...

A look at the work of Albert Einstein – he was born on March 14 in 1879. Today is also the birthday of Gene Cernan (born in ...

Clocks shift forward one hour this Sunday morning (2 a.m.) A total solar eclipse can be seen this week in Sumatra, Borneo, Sulawes ...

Year in Space chronicles Astronaut Scott Kelly’s preparation and 12-month mission (starting with the launch last Mrch 27th ...