Penn State University astronomers are among the scientists of the Sloan Digital Sky Survey (SDSS) who this week are releasing to the public a massive collection of new information about the universe. "This set of observations is one of the largest astronomical data
Comet C/2014 Q2 (Lovejoy), a long-period comet discovered by Australian astronomer Terry Lovejoy on August 17, 2014, is making closest approach to our planet today, at some 70 million kilometers (43.5 million miles / 0.469 AU) away.This comet is now a naked eye object a
Hubble Space Telescope has captured the sharpest and biggest image ever taken of the Andromeda galaxy, known as Messier 31. The enormous image is the biggest Hubble image ever released and shows over 100 million stars and thousands of star clusters embedded in a
In a new study that sheds light on space weather's impact on Earth, Dartmouth researchers and their colleagues show for the first time that plasma waves buffeting the planet's radiation belts are responsible for scattering charged particles into the atmosphere.T
As far as the meteor showers are concerned the year starts with an above average Quadrantids, unfortunately the nearly full moon will block out most of the show. Quadrantids will peak this year on the night of January 3rd and the morning of 4th.Brilliant comet C/2014 Q2
A new study is helping to answer a longstanding question that has recently moved to the forefront of earth science: Did our planet make its own water through geologic processes, or did water come to us via icy comets from the far reaches of the solar system?The answer i
Watch Earth roll by through the perspective of ESA astronaut Alexander Gerst in this six-minute timelapse video from space. Combining 12 500 images taken by Alexander during his six-month Blue Dot mission on the International Space Station this Ultra High Definition vid
NASA satellite instruments have observed a marked increase in solar radiation absorbed in the Arctic since the year 2000 – a trend that aligns with the steady decrease in Arctic sea ice during the same period.While sea ice is mostly white and reflects the sun&rsqu
NOAA officials announced yesterday the World Magnetic Model (WMM), a representation of Earth’s large-scale magnetic field and an indispensable complement to GPS devices used by NATO, the United States and United Kingdom militaries, as well as civil applications ra
New research into an Icelandic eruption has shed light on how the Earth's crust forms, according to a paper published today in Nature. When the Bárðarbunga volcano, which is buried beneath Iceland's Vatnajökull ice cap, reawakened in August
