NEOWISE Mission Spies One Comet, Maybe Two NASA's NEOWISE mission has recently discovered some celestial objects traveling through our neighborhood.
Hubble Gazes at a Cosmic 'Megamaser' The entire galaxy essentially acts as an astronomical laser that beams out microwave emission rather than visible light.
Scientists Plan to Send Greetings to Other Worlds After decades of fruitless scanning the skies for alien messages, scientists say it's time to try a basic rule of etiquette: Say "hello" first.
An Extra Second Has Been Added to 2016 on Dec 31 On December 31, 2016, a "leap second" will be added to the world's clocks at 23 hours, 59 minutes and 59 seconds Coordinated Universal Time (UTC).
Scientists Detected Six More Mysterious Radio Signals Coming From Outside Our Galaxy The strange signals only last milliseconds, but they generate as much energy as the Sun in an entire day.
Physicists Measure the Loss of Dark Matter Since the Birth of the Universe Russian scientists have discovered that the proportion of unstable particles in the composition of dark matter in the days immediately following the Big Bang was no more than 2 percent to 5 percent. Their study has been published in Physical...