Travelers In The Night

A very close approaching asteroid is observed to pass through the Earth's shadow.

Tracking a small asteroid as it makes a very close approach to planet Earth.

Traveling to Mars is a risky business.

Combining Art and Science gives us a new way to appreciate the wonders of the Universe.

A pair of comets visiting our neighborhood are discovered in a matter of 4 days.

China's new big ear will be the most sensitive receiver to search for signals from alien civilizations.

The Hubble Space Telescope has spotted geysers erupting from Jupiter's Moon Europa.

A comet nucleus is a dynamic world of its own.

Inappropriate night time outside lighting causes accidents and does not deter crime. However, it blinds you from the beauty of the Universe which surrounds you.

Where you are from and where you live has been influenced by changes in the tilt of the Earth's axis of rotation relative to its orbit around the Sun.

Small close approaching space rocks are part of our environment.

Large unknown potentially dangerous asteroids are still out there.

A rock blasted from the Moon by the impact of an asteroid or comet may be on its way to Earth.

A comet is producing a 3,000 mile long trail of debris as it slowly comes apart.

Anyone who thinks women can't do computers and science needs to meet my Catalina Sky Survey teammate Rose Matheny.

An interesting object is spotted streaking across the night sky at the rate of 17 full moon diameters per day.

A new comet is likely to have the characteristics of a really weird traveler in the night.

Watching the night sky for you.

China is challenging America's historical preeminence in space exploration.

Astronomers have discovered an Earth sized planet orbiting the closest star to our Sun.