Today, Mars is a desolate wasteland, with dusty red rocks and sand stretching out to the horizon. But billions of years ago, it was a vastly different world. It was blue, with oceans, rivers, lakes, and maybe life? Let’s tell the story of geology on Mars, and we got from that world to the one we see today.
Visit the Astronomy Cast Page to subscribe to the audio podcast!
We usually record Astronomy Cast as a live Google+ Hangout on Air every Friday at 1:30 pm Pacific / 4:30 pm Eastern. You can watch here on Universe Today or from the Astronomy Cast Google+ page.
Exploring asteroids and other small bodies throughout the solar system has gotten increasingly popular, as…
Ingenuity became the first aircraft to fly on another world in the first half of…
In August 2018, NASA's Parker Solar Probe (PSP) began its long journey to study the…
For centuries, comets have captured our imagination. Across history they have been the harbingers of…
In the coming years, NASA and other space agencies will send humans back to the…
Theoretically a neutron star could have less mass than a white dwarf. If these light…