Travelers In The Night

My Catalina Sky Survey team mate Greg Leonard finds an interesting potentially hazardous asteroid.

A potentially hazardous asteroid may be a source of raw materials for future space settlers.

A mysterious piece of space hardware comes back to Earth

In 2015, my team the Catalina Sky Survey discovered a very diverse group of 566 Earth approaching objects.

We humans are writing a record of our activities into the rock layers currently being produced on planet Earth.

A pair of comet discoveries are reported in the space of 31 hours.

A small asteroid's path around the Sun very nearly crosses that of Earth.

Unknown large dangerous Earth approaching asteroids are still out there.

Earth approaching asteroids are found by their motion in the sky.

A large telescope reveals that Blinky is a small asteroid which spins once every 9 minutes as it travels through space.

A rapidly spinning asteroid comes close to both the Earth and our Moon.

The giant planet Jupiter has its own family of comets orbiting our Sun.

A dozen Earth approaching asteroid candidates are discovered in a single night.

A potentially hazardous dead comet makes a close approach to Earth.

Humans have discovered oceans of liquid salty water on four small worlds in our solar system. Could living things be flourishing in these alien environments?

All life has a common core which can guide our search for life outside of our planet.

Mars is in the process of turning a moon into a ring.

My team the Catalina Sky Survey discovers 89 new Earth approaching objects in 24 nights

Comets may have brought the life enabling element Carbon to our planet.

Astronomers have discovered a family of stealthy asteroids some of which may have the potential to sneak up on planet Earth.