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NASA Says “No Chance” Small Asteroid Will Hit Earth On March 5th


On October 6th, 2013, the Catalina Sky Survey discovered a small asteroid which was later designated as 2013 TX68.

ULA Atlas V Delivers Final GPS IIF Navigation Satellite to Orbit for USAF – Critical to Military/Civilian Users


CAPE CANAVERAL AIR FORCE STATION - Despite howling winds and unseasonably frigid temperatures in the ‘sunshine state’, United Launch Alliance’s workhorse Atlas V rocket successfully blasted off this morning, Friday, Feb 5, and delivered the final GPS satellite in the IIF series to orbit for the US Air Force.The ULA Atlas V carried the Global Positioning System (GPS) IIF-12 navigation satellite to orbit - thus completing the constellation of next generation GPS IIF satellites that are critical to both military and civilian users on a 24/7 basis.

Weekly Space Hangout – Feb. 5, 2016: Dr. Or Graur

Host: Fraser Cain (@fcain) Special Guest: Dr. Or Graur, Research Associate at the Center for Cosmology and Particle Physics at New York University; Researches what type of star leads to a thermonuclear, or “Type Ia,” supernova.

What Are The Constellations?


What comes to mind when you look up at the night sky and spot the constellations? Is it a grand desire to explore deep into space?

Jupiter Not the Planetary Protector We Thought it Was?


I've always liked the idea that Jupiter has acted like a protector to its little brother, Earth. That it has used its massive gravitational pull to divert asteroids and comets from a collision course with Earth.

Earth From Afar Would Look Only 82% Right For Life


Right now, we're staring hard at a small section of the sky, to see if we can detect any planets that may be habitable.

First Atlas Launch of 2016 Set For Blastoff with Air Force GPS Satellite on Feb. 5 – Watch Live


CAPE CANAVERAL AIR FORCE STATION - The first launch of 2016 from Cape Canaveral, Florida, is poised for blastoff on Friday, Feb.

What Are Alien Megastructures?


Did scientists find a giant alien structure around KIC 8462852? Probably not, but if they did, what would these structures look like?

The Highest-Resolution Image Ever Seen in Astronomy


What do you get when you combine 15 radio telescopes on Earth and one in space? You get an enormous "virtual telescope" that is 63,000 miles across.

China Shares Stunning New Moon Photos With the World


China has released hundreds of images of the Moon, taken by its Chang'e 3 lander and its companion rover, Yutu.

50 Years Ago We Got Our First Picture from the Moon


On this date half a century ago the Soviet Luna 9 spacecraft made humanity's first-ever soft landing on the surface of the Moon.

Astronomy Cast Ep. 401: Predictions for 2016 and Beyond

What do Pamela and Fraser think will happen or be discovered in 2016? What would they like to see in the near future?

A Challenge in Visual Athletics: Hunting the Gegenschein


Looking for something truly elusive? Astronomy has no shortage of the fleeting and ephemeral when it comes to challenges.

Saturn’s Rings Continue to Surprise Scientists


If you try to apply simple common sense to how Saturn's rings really work you're going to be sorely mistaken: the giant planet's signature features run circles around average Earthly intuition.

A Cataclysmic Collision Formed the Moon, but Killed Theia


The Moon is the first object in space that fascinates we Earthlings. The Sun might be more prominent, but you can't stare at the Sun without ocular damage.

NASA’s Orion Crew Module Backbone Arrives at KSC Aboard Super Guppy for Exploration Mission-1


KENNEDY SPACE CENTER - Looking amazingly like a fish flying across the skies high above the Florida space coast, NASA’s unique Super Guppy aircraft loaded with the structural backbone for NASA’s next Orion crew module, swooped in for a landing at the Kennedy Space Center on Monday afternoon, Feb.

Massive Ariane 5 To Launch Giant NextGen Telescope In Dynamic Deployment To L2


The Ariane 5 rocket is a workhorse for delivering satellites and other payloads into orbit, but fitting the James Webb Space Telescope (JWST) inside one is pushing the boundaries of the Ariane 5's capabilities, and advancing our design of space observatories at the same time.The Ariane 5 is the most modern design in the ESA's Ariane rocket series.

Messier 1 (M1) – The Crab Nebula


In the 18th century, French astronomer Charles Messier kept noting the presence of fixed, diffuse objects in the night sky.

Guide to the Constellations and Messier Objects by Tammy Plotner


The first person to ever write an article for Universe Today (apart from me) was Tammy Plotner. Tammy was an experienced amateur astronomer, and had already dedicated her life to sharing her love of the night sky with the public.

What is the Higgs Boson?


What is this thing we keep hearing about – the Higgs Boson, and why is it important? It’s been said that the best way to learn is to teach.


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