* Astronomy

Incident No. 122 - 5 April 1948, Holloman Air Force Base, New Mexico Three balloon observers saw an object very high in the sky, moving faster than any known aircraft and possessing a rounded indistinct form, which disappeared suddenly. Source (PDF)

Twenty panel photomosaic captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Six panel photomosaic captured with a 100mm f5 Helios refractor and Vesta pro webcam.

On 2015 Aug 14 UT, the 116 km diameter asteroid (105) Artemis will occult a 8.0 mag star HD 30285 in the constellation Orion for observers along a path across Mexico. Read more

ATel 10235: Spectroscopic Classification of SN 2017coa as a Type Ia Supernova

ATel 10234: Spectroscopic Classification of SN 2017cne as a Type Ia Supernova

Scientists have pieced together part of the genetic recipe of the extinct woolly mammoth. The 5,000 DNA letters spell out the genetic code of its mitochondria, the structures in the cell that generate energy. The research, published in the online edition of Nature, gives an insight into the el...

ATel 10232: ASASSN-17ee: Discovery of A Supernova in UGC 04030 NED01

NGC 5560 (also Arp 286, MCG 1-37-1, UGC 9172 and PGC 51223) is a magnitude +12.4 warped, almost edge-on, barred spiral galaxy located 65 - 80 million light-years away in the constellation Virgo. The galaxy is gravitationally interacting with the neighbouring galaxies NGC 5569 and NGC 5566: the tr...

The 15 - 34 metre wide asteroid 2017 FX90 will make a close pass (2.4 LD, 0.0061 AU), travelling at 12.19 km/second, to the Earth-Moon system on the 1st April 2017 @ 19:51 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

Seven panel photomosaic of sunspots 12645 and 12644 (right) captured with a 100mm f5 Helios refractor and Vesta pro webcam.

SpaceX set to launch 'used rocket' California's SpaceX company expects to make a piece of history later when it re-flies a Falcon rocket. The window for a lift-off from Florida's Kennedy Space Center opens at 18:27 EDT (22:27 GMT; 23:27 BST). Read more

CDF-S Transient: Mysterious Cosmic Explosion Puzzles Astronomers Scientists have discovered a mysterious flash of X-rays using NASA's Chandra X-ray Observatory, in the deepest X-ray image ever obtained, as reported in our latest press release. The X-ray source is located in a region of the sky...

New Suspect Identified in Supernova Explosion Supernovas are often thought of as the tremendous explosions that mark the ends of massive stars' lives. While this is true, not all supernovas occur in this fashion. A common supernova class, called Type Ia, involves the detonation of white dwarfs --...

The Min-Fan-Zhun (LL6) meteorite fell in Jiangsu, China, on the 1st April, 1952. A total mass of 5.5 kg was recovered. 32° 20'N, 120° 40'E