The famous NASA tether incident has been talked about so many times. This great little clip is for all the 'ufo newbie's' out there - it shows you exactly what happened during the incident when the tether 'snapped' and the objects which were seen nearby:

Photos have been leaked of several gigantic Tesla coil towers or high-voltage pulse generators in Russia - The purpose of them is still not quite clear... One possible explanation is that they are used to study the behavior of equipment under powerful electromagnetic radiation comparable to that of a nuclear explosion. Another theory is that the All-Russian ElectroTechnical Institute's "high-voltage scientific research center" is creating their own version of HAARP (the ionospheric research program previously talked about)

Great extract below from http://www.wvec.com/ on the recent Virginia sightings where the US Airforce comments that the object was not man made :

Stefan Bocchino of the USAF Joint Space Operations Center says the "bright light" seen over parts of the East Coast Sunday night was not a result of a man-made space object. The Joint Space Operations Center tracks more than 19,000 man-made objects in space, but no natural phenomena.

It was first believed that the lights and sounds were caused by space junk related to the Russian rocket Soyuz docking with the International Space Stations Saturday.

Witnesses describe the flashes in the sky as being colored with yellows and oranges. While fireballs usually throw sparks that appear green followed by trains of blue and red. The loud explosion accompanying the balls of fire in the sky also could be explained if the object was a rocket tank with residual amounts of booster fuel.

"Numerous reports have been called in to this office and into local law enforcement concerning what appeared to be flashes of light in the sky over the Suffolk/Virginia Beach area. We are confident in saying that this was not lightning...and have been in contact with military and other government agencies to determine the cause. So far...we have not seen or heard of any damage from this and will continue to inquire as to the cause."
Source - read more here

VIRGINIA BEACH, Va. - Ralph Snell in Virginia Beach sent WAVY.com video from his security camera, which captured a bright light in the night sky at 9:40 p.m. on March 29
Source

Orbs, Ufos , Flares - you decide taken over GOTEBERG sweden 1st of Feb 2009:

The Phoenix lights taken from a different angle - Arizona on March 13, 1997

new Ufo report:

LIGHTS OVER HIGHWAY MARCH 2009 ALBERTA

Here;s a new Ufo recently seen over Dnepropetrovsk Russia - any comments on this startling sighting?

A team of scientists is looking into what could have caused bright lights in the sky that prompted hundreds of calls to the National Weather Service and emergency officials.Callers from Maryland, Virginia and North Carolina described brilliant, streaking lights followed by an explosion-like sound around 9:45 p.m. Sunday.

Virginia residents from Hampton Roads to Richmond reported seeing "great balls of fire" lighting up the sky in shades of yellow, white orange and blue. Some described the explosion as sounding like thunder.Several calls came to Richmond International Airport, but spokesman Troy Bell said tower workers did not see anything unusual.
article Source - extract

Interesting incident - UFO follows Air Force Jet for two hours - mysteriously project blue book listed the UFO as a passenger jet in the area

ASTRONAUTS on NASA Skylab have seen quite a few ufos since missions started:

Underground bases are always an interest - here a video of a few secret installations: