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Astronomy Photo of the Day: 8/2/15 — Lyngenfjord Aurora


Lyngenfjord aurora (Image Credit: Jan R. Olsen) In the time that you can inhale and exhale once (assuming you can do so in around one second), the Sun will have shed (according to some sources) approximately four billion kilograms of its mass, which is ejected from its surface through solar winds.

How to Destroy a Planet: The Physics of the Death Star


Sci-fi writers and fans all agree; destroying a planet is pretty cool. Possibly one of the most iconic and cataclysmic scenes showing the obliteration of a planet is when the Death Star destroys Alderaan in Star Wars: Episode IV – A New Hope.

Supercharged Aurora is the First Found Beyond Our Solar System


Aurora (Image Credit: Tama Baldwin) Aurorae—or northern lights—are counted among the most beautiful natural phenomena.. Of course, we have long known that these colorful displays of light are not limited to our planet; we’ve witnessed them on Saturn, Jupiter, and Neptune—some evidence recently surfaced suggesting that even Mars sees them from time to time (in spite of its rather pathetic atmosphere).

Astronomy Photo of the Day: 8/1/15 — The Rosette Nebula Revisited


Rosette Nebula (Image Credit: Juan Ignacio Jimenez) The Rosette Nebula (otherwise known as NGC 2237 or Caldwell 49) is a nebula skirting the edge of a giant molecular cloud within the Monoceros constellation—found around 5,000 light-years from Earth.

Everything You Need to Know About Black Holes


This labelled image shows the structure of a Schwarzschild black hole (Image by Jaime Trosper, via From Quarks to Quasars) The concept of a “black hole” is one of the most curious in astrophysics.

The Bug-Inspired Robot That Can Jump On Water


The Water Strider in action (Image Credit: Hodnett-AP) Perhaps as a child, you recall gazing at water striders on a lazy summer day.

Watch: The Bug-Inspired Robot That Can Jump On Water


The Water Strider in action (Image Credit: Hodnett-AP) Perhaps as a child, you recall gazing at water striders on a lazy summer day.

Now, There are Only 4 Northern White Rhino Left on Earth


A rare, northern white rhino. Image credit: Joel Sartore, Hynek Glos/ZOO Dvůr Králové There is a difference between extinction that occurs as a result of gradual changes in the biosphere and extinction that occurs as a result of human activity.

Researchers Strap Explosives to Retired Airplanes. Because, Science!


Without the Fly-Bag, test explosives ripped a hole in the aircraft. (Image Credit: University of Sheffield) Last week, an international team of scientists placed explosive charges on a retired Boeing 747 and Airbus 321a. This might sounds like nuts, but it was all to test a bomb-proof lining, known as the FLY-BAG2, in a more realistic setting.

Researchers Strap Explosives to Retired Airplanes. Because, Science!


Without the Fly-Bag, test explosives ripped a hole in the aircraft. (Image Credit: University of Sheffield) Last week, an international team of scientists placed explosive charges on a retired Boeing 747 and Airbus 321a. This might sounds like nuts, but it was all to test a bomb-proof lining, known as the FLY-BAG2, in a more realistic setting.

Astronomy Photo of the Day: 7/31/15 — Antelao Moon


Moon and Antelao (Image Credit: Marcella Giulia) The moon—unlike the Sun—does not disappear from the sky for half the day.

Astronomy Photo of the Day: 7/31/15 — Antelao Moon


Moon and Antelao (Image Credit: Marcella Giulia) The moon—unlike the Sun—does not disappear from the sky for half the day.

SETI Video: Are Aliens Really Out There & Will We Ever Make First Contact?


Alien apes. Concept art by Ken Barthelmey Frank Drake is best known for developing the Drake equation, which is a mathematical equation that was developed to estimate the number of detectable alien civilizations residing in the Milky Way.

SETI Video: Are Aliens Really Out There & Will We Ever Make First Contact?


Alien apes. Concept art by Ken Barthelmey Frank Drake is best known for developing the Drake equation, which is a mathematical equation that was developed to estimate the number of detectable alien civilizations residing in the Milky Way.

Fungus Found in Europe Could Wipe Out Salamanders Native to North America. Is it Preventable?


The Ensatina salamander, native to the western US, is one of hundreds of species threatened by the emerging fungus.

Here’s What it Looks Like When Two Black Holes Collide


This artist’s impression illustrates how high-speed jets from supermassive black holes would look. (Image Credit: ESA/Hubble, L.

Here’s What it Looks like when Two Black Holes Collide


This artist’s impression illustrates how high-speed jets from supermassive black holes would look. (Image Credit: ESA/Hubble, L.

Astronomy Photo of the Day: 7/30/15 — Comet Lovejoy Shines


Comet Lovejoy (Image Credit: Michael Jaeger) C/2011 W3—most commonly known as Comet Lovejoy, named after its discoverer, Terry Lovejoy—is perhaps one of the most well-studied comet to make an appearance in recent times (excluding ISON, of course, which met the Sun back in 2013).

Astronomy Photo of the Day: 7/30/15 — Comet Lovejoy Shines


Comet Lovejoy (Image Credit: Michael Jaeger) C/2011 W3—most commonly known as Comet Lovejoy, named after its discoverer, Terry Lovejoy—is perhaps one of the most well-studied comet to make an appearance in recent times (excluding ISON, of course, which met the Sun back in 2013).

Research Finds Polar Bears Can’t Adapt to Longer Summers


Photo courtesy of Alan D. Wilson (via Wikimedia Commons) New research suggests that polar bears may have an even harder time coping with climate change than scientists previously believed.


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