Stars

Rogue Star HIP 85605 on Collision Course with our Solar System, but Earthlings Need Not Worry

It's known as HIP 85605, one of two stars that make up a binary in the Hercules constellation roughly 16…

10 years ago

NASA’s NuSTAR Scans the Sun with X-ray Vision

What if you had x-ray vision like Superman? Or if those funny-looking glasses they advertised in comic books in the 60s…

10 years ago

What Does It Mean To Be ‘Star Stuff’?

At one time or another, all science enthusiasts have heard the late Carl Sagan's infamous words: "We are made of…

10 years ago

How Low Can You Go? Take the Great Square Challenge

Cast your gaze up, up, up on the next dark, moonless night and stare into the Great Square of Pegasus.…

10 years ago

Observing Challenge: Watch Asteroid 3 Juno Occult a +7th Magnitude Star Tonight

One of the better asteroid occultations of 2014 is coming right up tonight, and Canadian and U.S. observers in the…

10 years ago

Solar ‘Bombs’ And Mini-Tornadoes Spotted By Sun-Watching Spacecraft

My, the Sun is a violent place. I mean, we knew that already, but there's even more evidence for that…

10 years ago

Old Equations Shed New Light on Quasars

There's nothing more out of this world than quasi-stellar objects or more simply - quasars. These are the most powerful and among…

10 years ago

Nearby Galaxy Holds First Ultraluminous X-Ray Source that is a Pulsar

A research team led by Caltech astronomers of Pasadena California have discovered an ultraluminous X-ray (ULX) source that is pulsating. Their…

10 years ago

How to Turn Your Phone Into A Cosmic Ray Detector

Quick, do you have an Android phone in your pocket? A few small changes and you could help physicists probe…

10 years ago