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Astronomy News
February 21, 2017

Latest Headlines
updated 12:41pm EST

More Astronomy News
February 21, 2017

Feb. 20, 2017 — Astronomers are borrowing principles applied in biology and archaeology to build a family tree of the stars in the galaxy. By studying chemical signatures found in the stars, they are piecing ... read more

Feb. 17, 2017 — Technically, this picture is merely a sidekick of the actual object of interest -- but space is bursting with activity, and this field of bright celestial bodies offers plenty of interest on its ... read more

Feb. 16, 2017 — A new device has been built to recreate Earth's auroras and other space phenomena in miniature. The planeterrella is one of just a handful in the United ... read more

Feb. 14, 2017 — This image was taken at 3:38 a.m. EST on Feb. 9, 2017, when the spacecraft was 75 million miles (120 million kilometers) from Earth and 419 million miles (675 million kilometers) from Jupiter. With ... read more

Feb. 9, 2017 — Many scientists believe the Earth was initially dry and that water, carbon and nitrogen -- the building blocks for life -- likely came as a result of collisions with objects that began their lives in ... read more

Feb. 9, 2017 — NASA's Magnetospheric Multiscale mission begins a three-month long journey into a new orbit, taking it twice as far out as it has previously flown, to areas where magnetic reconnection is ... read more

Feb. 9, 2017 — For the first time, scientists have witnessed a massive object with the makeup of a comet being ripped apart and scattered in the atmosphere of a white dwarf, the burned-out remains of a compact ... read more

Feb. 8, 2017 — All known black holes fall into two categories: small, stellar-mass black holes weighing a few suns, and supermassive black holes weighing millions or billions of suns. Astronomers expect that ... read more

Feb. 8, 2017 — Scientists are expanding the definition of habitable zones (the area around a star where a life-sustaining planet might lurk), taking into account the effect of stellar activity that can threaten ... read more

New Evidence in Favor of Dark Matter: The Bars in Galaxies Are Spinning More Slowly Than We Thought

Feb. 8, 2017 — A new article show that bars in galaxies are rotating much more slowly than had been inferred by previous ... read more

Feb. 7, 2017 — The Magellanic Clouds, the two largest satellite galaxies of the Milky Way, appear to be connected by a bridge stretching across 43,000 light years, according to astronomers. The discovery is based ... read more

Feb. 7, 2017 — An exotic binary star system 380 light-years away has been identified as an elusive white dwarf pulsar, the first of its kind ever to be discovered in the ... read more

Feb. 7, 2017 — By analyzing the level of a carbon isotope in tree rings from a specimen of an ancient bristlecone pine, researchers have revealed that the sun exhibited a unique pattern of activity in 5480 BC. By ... read more

Feb. 6, 2017 — A giant black hole ripped apart a nearby star and then continued to feed off its remains for close to a decade, according to research. This black hole meal is more than 10 times longer than any other ... read more

Feb. 3, 2017 — The Calabash Nebula -- which has the technical name OH 231.8+04.2 -- is a spectacular example of the death of a low-mass star like the ... read more

Feb. 2, 2017 — By analyzing the gas motion of an extraordinarily fast-moving cosmic cloud in a corner of the Milky Way, astronomers found hints of a wandering black hole hidden in the cloud. This result marks the ... read more

Feb. 2, 2017 — Analysis of a Martian meteorite found in Africa in 2012 has uncovered evidence of at least 2 billion years of volcanic activity on Mars. This confirms that some of the longest-lived volcanoes in the ... read more

Feb. 1, 2017 — In April last year, billionaire Yuri Milner announced the Breakthrough Starshot Initiative. He plans to invest 100 million US dollars in the development of an ultra-light light sail that can be ... read more

Jan. 31, 2017 — MRIs before and after space missions reveal that astronauts' brains compress and expand during spaceflight, according to a new ... read more

Jan. 31, 2017 — A research group has revealed a picture of the increasing fraction of massive star-forming galaxies in the distant universe. Massive star-forming galaxies in the distant universe, about 5 billion ... read more

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