Some UFOs may be explained as ball lighting

(PhysOrg.com) -- An Australian scientist studying photographs of fireballs, UFO sightings and a report of a strange green light in the sky suggests some UFOs may be ball lightning caused by fireball meteors.

How black holes shape galaxies

Data from ESA's XMM-Newton X-ray observatory has revealed how supermassive black holes shape their host galaxies with powerful winds that sweep away interstellar matter.

New Zealand military releases UFO files

The New Zealand military released hundreds of previously classified reports Wednesday detailing claims of unidentified flying object (UFO) sightings and alien encounters.

New Russian missile failure sparks UFO frenzy

Russia's new nuclear-capable missile suffered another failed test launch, the defence ministry said Thursday, solving the mystery of a spectacular plume of white light that appeared over Norway.

Britain shuts down UFO-hunting unit

The British government has shut a unit which has investigated UFO sightings for more than 50 years, judging its resources better spent on more earthly threats, it said Friday.

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