Travelers In The Night

The asteroid Psyche may be one of the most expensive pieces of real estate in the solar system.

Centaurs are named after the mythical beasts which were half human and half horse perhaps because they have characteristics of both asteroids and comets.

2017 will be a good year to view comets with your unaided eye or a pair of binoculars.

The extremely unlikely scenario of an impactor with our number on it.

Using ground the penetrating RADAR on the NASA Mars Reconnaissance Orbiter, scientists have discovered an ice deposit on Mars the size of New Mexico.

An asteroid which can come to within about an Earth circumference of the surface of our home planet needs watching.

Humans are developing the ability to study an Earth approaching object to prepare for one that is on an impact trajectory with our home planet.

Should martian microbes be sacrificed to human space exploration.

Atira, named for the Pawnee goddess of Earth and the Morning and Evening Star orbits the Sun inside of our path.

Planning for the unlikely event that an asteroid is on a collision course with planet Earth will minimize injury and the loss of life.

Competition gives humans the best chance to find dangerous objects and tax payers get more bang for their buck.

The NASA/JPL Mars Curiosity Rover discovers a meteorite on Mars.

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.