A new study led by researchers from NASA JPL has provided compelling evidence for the existence of a mantle plume beneath the Antarctic ice sheet.
The post Antarctica has a Huge Mantle Plume Beneath it, Which Might Explain Why its Ice Sheet is so Unstable appeared first on Universe Today.
A new study by a pair of Japanese researchers indicates that the asteroid that caused the extinction of the dinosaurs landed where it could do the most damage.
The post Dinosaur Killing Asteroid hit Earth in Exactly the Wrong Spot appeared first on Universe Today.
Up early Sunday morning? Or perhaps, as we often do, you’re “pulling an all-nighter,” out observing until the break of dawn. Well, the clockwork celestial mechanics of the Universe has a treat in store on the morning of October 15th, as the waning crescent Moon occults (passes in front of) the bright star Regulus (Alpha Leonis the “Little King” or “Heart of the Lion”) for the contiguous United States, Mexico and southern Canada.
The post Tales of the King: Watch as the Moon Occults Regulus for North America This Weekend appeared first on Universe Today.
In 1961, astronomer Frank Drake proposed his now-famous equation for calculating the likelihood of extra-terrestrial intelligence in the Universe.
The post What is the Drake Equation? appeared first on Universe Today.
Been missing the evening planets? Currently, Saturn and Venus rule the dawn, and Mars is sinking into the dusk as it recedes towards the farside of the Sun. That’s been changing for one planet, however, as Jupiter reaches opposition this week.
The post By Jove: Jupiter at Opposition 2017 appeared first on Universe Today.
An old friend greeted us on our morning run yesterday, as we spied Venus in the dawn, 3 days after inferior conjunction on March 25th.
The post Watch Rotating Horns of Venus at Dawn appeared first on Universe Today.
In the southern hemisphere this weekend in the ‘Land of Oz?’ Are you missing out on the passage of Comet 45/P Honda-Mrkos-Pajdušáková, and the penumbral lunar eclipse? Fear not, there’s an astronomical event designed just for you, as the Moon occults (passes in front of) the bright star Regulus on the evening of Saturday, January 11th.
The post Watch the Moon Make a Pass at Earth’s Shadow, Then Kiss Regulus This Valentine’s Weekend appeared first on Universe Today.
A comprehensive guide to astronomical oppositions, occultations, eclipses, comets and more for 2017.
The post 101 Astronomical Events for 2017: A Teaser appeared first on Universe Today.
Children ice skating in Khakassia, Russia react to the fall of a bright fireball two nights ago on Dec.6 In 1908 it was Tunguska event, a meteorite exploded in mid-air, flattening 770 square miles of forest. 39 years later in 1947, 70 tons of iron meteorites pummeled the Sikhote-Alin Mountains, leaving more than 30 craters. […]
The post Why Does Siberia Get All the Cool Meteors? appeared first on Universe Today.
John Glenn always had the right stuff. Glenn, the first American astronaut to orbit the Earth and a legendary figure around the world, has died. Glenn, 95, was the last remaining Mercury astronaut, the first group of US astronauts. He flew on Friendship 7 on Feb. 20, 1962, and later flew on the space shuttle […]
The post John Glenn: Godspeed and Rest in Peace appeared first on Universe Today.