* Astronomy

Image captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Title: The Dust Trail of Comet 67P/Churyumov-Gerasimenko Authors: Michael S. Kelley, William T. Reach, David J. Lien We report the detection of comet 67P/Churyumov-Gerasimenko's dust trail and nucleus in 24 micron Spitzer Space Telescope images taken February 2004. The dust trail is not found...

ATel 10477: Rare Low State of DO Dra, the Magnetic Dwarf Nova=Outbursting Intermediate Polar

ATel 10479: ATLAS17gtt : discovery of a bright nuclear transient in SDSS J103859.28+261258.6

Image captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Title: The transiting multi-planet system HD3167: a 5.7 MEarth Super-Earth and a 8.3 MEarth mini-Neptune Author: Davide Gandolfi, Oscar Barragán, Artie P. Hatzes, Malcolm Fridlund, Luca Fossati, Paolo Donati, Marshall C. Johnson, Grzegorz Nowak, Jorge Prieto-Arranz, Simon Albrecht, Fei Da...

GW170104 was a gravitational wave signal detected by the LIGO observatory on 4 January 2017. On 1 June 2017, the LIGO and Virgo collaborations announced that they had reliably verified the signal, making it the third such signal, after GW150914 and GW151226. Read more

Earth's missing xenon could be hiding in quartz What's happened to the Earth's missing xenon? For decades scientists have known that the abundance of xenon is curiously lower than predicted from comparisons with the other noble gases. Yet they have been unable to determine why. Now chemists in Can...

Three DIY CubeSats Score Rides on NASA's First Flight of Orion, Space Launch System NASA's Space Technology Mission Directorate (STMD) has awarded rides for three small spacecraft on the agency's newest rocket, and $20,000 each in prize money, to the winning teams of citizen solvers competing in...

ATel 10476: Discovery of an Apparent Nova in M31

The Tadjera (L5) meteorite fell in Setif, Algeria, on the 9th June, 1867. A total mass of 9 kg was recovered. 36° 11'N, 5° 25'E

The Hökmark (L4) meteorite fell in Vasterbottens, Sweden, on the 9th June, 1954. A total mass of 306 g was recovered. 64° 26'N, 21° 12'E

ILS Proton Lifts off with EchoStar-21 for Long-Awaited Return to Flight Spoiler Russia's Proton-M rocket soared into the skies over the remote Baikonur Cosmodrome again on Thursday, ending a year-long grounding with the...

NASA's Spitzer Space Telescope has found the ingredients for life all the way back to a time when the universe was a mere youngster. Using Spitzer, scientists have detected organic molecules in galaxies when our universe was one-fourth of its current age of about 14 billion years. These large mol...

Scientists have identified a major climate crisis that struck Africa about 70,000 years ago and which may have changed the course of human history. Tanganyika The evidence comes from sedime...