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NASA’s Outbound OSIRIS-Rex Asteroid Sampler Snaps ‘First-Light’ Images


NASA’s newest planetary probe, the OSIRIS-REx asteroid sampling spacecraft, is merrily snapping its ‘First-Light’ images following the successful power up and health check of all of the probes science instruments, barely three weeks after a stunning sunset launch from the Florida Space Coast - as it is outbound to asteroid Bennu.

The 2016 Nobel Prize In Physics: It’s Complicated


The Nobel Prize in physics is a coveted award. Every year, the prize is bestowed upon the individual who is deemed to have made the greatest contribution to the field of physics during the preceding year.

Where Can I Take Off My Space Helmet?


It’s been a while since I read the NASA manual on space helmet operation, but if I recall correctly, they really just have one major rule.

What is Carbon Dating?


Here on Earth, Carbon is found in the atmosphere, the soil, the oceans, and in every living creature.

The Questions After Musk’s Mars Speech Were Bizarre & Cringeworthy


When Elon Musk speaks publicly about SpaceX and their efforts to make space travel less expensive, people listen.

Apollo 11 Moonwalker Buzz Aldrin Talks to Universe Today about ‘Destination Mars’


KENNEDY SPACE CENTER VISITOR COMPLEX, FL - Sending humans on a ‘Journey to Mars’ and developing strategies and hardware to accomplish the daunting task of getting ‘Humans to Mars’ is NASA’s agency wide goal and the goal of many space enthusiasts - including Apollo 11 moonwalker Buzz Aldrin.

Watch Scott Manley Build and Fly the Interplanetary Transport Ship in Kerbal


When SpaceX CEO Elon Musk took to the stage at the International Astronautical Congress in Mexico on Monday, he announced his bold vision to send humanity into the Solar System, he laid out one of the most elaborate and ambitious projects ever put forward in the field of human space exploration.

Ready Or Not, Musk Is Dragging Us Into Interplanetary Species Status


Today, Elon Musk elaborated on his plans to make humanity a planet-faring species. We've known for a long time that Mars is SpaceX's destination, but the fine details haven't been revealed.

NASA’s Curiosity Rover Just Licked A Mountain


Since it first landed on the surface of Mars on August 6th, 2012, the science team behind the Curiosity rover has conducted some crucial experiments.

Mercury Is Tectonically Active & Shrinking


Mercury is a fascinating planet. As our Suns' closest orbiting body, it experiences extremes of heat and cold, has the most eccentric orbit of any Solar planet, and an orbital resonance that makes a single day last as long as two years.

What is Absolute Zero?


Canadians don’t have much to be proud of, but we can regale you with our ability to withstand freezing cold temperatures.

What is a Total Eclipse?


Imagine if you will, that you are a human being living in the prehistoric past. You look up at the sky and see the Sun slowly being blocked out,  becoming a ominous black sphere that glows around the edges.

Europa’s Venting Global Ocean May Be Easier To Reach Than We Thought


Last week, on Tuesday, September 20th, NASA announced that they had made some interesting findings about Jupiter's icy moon Europa.

Ep. 421: Space Games!

Visit the Astronomy Cast Page to subscribe to the audio podcast! We usually record Astronomy Cast as a live Google+ Hangout on Air every Friday at 1:30 pm Pacific / 4:30 pm Eastern.

Tears of the Hunter: Our Guide to the 2016 Orionid Meteor Shower


The month of October is upon us this coming weekend, and with it, one of the better annual meteor showers is once again active: the Orionids.

How Can You see the Northern Lights?


The Northern Lights have fascinated human beings for millennia. In fact, their existence has informed the mythology of many cultures, including the Inuit, Northern Cree, and ancient Norse.

Bright Binocular Nova Discovered in Lupus


On September 20, a particular spot in the constellation Lupus the Wolf was blank of any stars brighter than 17.5 magnitude.

Drilling at Unfathomable Alien Landscapes – All in a Day’s Work for Curiosity


Our beyond magnificent Curiosity rover has just finished her latest drilling campaign - at the target called “Quela” - into the simply unfathomable alien landscapes she is currently exploring at the “Murray Buttes” region of lower Mount Sharp.

Why Are Stars Different Colors?


Stars are beautiful, wondrous things. Much like planets, planetoids and other stellar bodies, they come in many sizes, shapes, and even colors.

Bye, Bye Rosetta — We’ll Miss You!


Rosetta awoke from a decade of deep-space hibernation in January 2014 and immediately got to work photographing, measuring and sampling comet 67P/C-G.


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