Our society is saturated with GPS, or Global Navigation Satellite System (GNSS), applications. GPS is the first GNSS and it is operated by US Air Force. Most people are not aware of the fact that GPS…

NASA scientists have discovered glycine, a fundamental building block of life, in samples of comet Wild 2 returned by NASA's Stardust spacecraft. "Glycine is an amino acid used by living organisms…

If you have never seen a fireball lighting up the night sky I bet you will appreciate the video below, which was taken by Ivaldo Cervini over Italian skies a few days ago. It is a Perseid meteor,…

Planetary nebulae are gas and dust shells ejected by stars near the end of their lives - typically seen around stars comparable or smaller in size than the Sun. The existing population of planetary…

The Gravity Recovery and Climate Experiment (GRACE) is a twin-satellite system to study in detail the Earth's gravity field. The GRACE data consist of  accelerometer, GPS, and…

Small bursts of heat and energy called nanoflares cause temperatures in the sun's atmosphere to reach millions of degrees, according to NASA researchers.. The sun's outer atmosphere, or corona, is…

Tonight you have a chance to contribute to science -namely, the knowledge of our solar system- and have a lot of fun at the same time. Do you want to know how ? Then please read on. Comet Swift-…

It's sharing time.  Here's a cool space mashup map, titled "If extraterrestrial civilizations are monitoring our TV broadcasts, then this is what they are currently watching." It's a plot of…

There are many hypotheses about the early days of black holes.  Researchers writing in The Astrophysical Journal Letters have undertaken simulations using data taken from observations…

Amateur astronomers fond of visual observation of faint galaxies and other fuzzy treasures of the night sky are always in search of the best observative site, where to drag their large Dobsonian…