Russians in western Siberia captured video of a visible meteorite that streaked across the sky, early Friday morning. The meteorite caused a shockwave strong enough to shatter glass in a wide area, causing hundreds of injuries.
Astrophysicist Dr. Neil deGrasse Tyson reflects on 30 years of the shuttle program.
The largest flare on the sun since December of 2006 has erupted, sending up a large cloud of charged magnetic particles, which appeared to cover almost half of the solar surface. Neil deGrasse Tyson, an astrophysicist, speaks with us.
A NASA scientist claims to have found alien bacteria in a meteorite; and the funding debate for exploring the Universe.