This Week In Space podcast: Episode 138 —From the Garage to Mars

Astronomers Discover a ‘Newborn’ World, the Youngest Known Transiting Exoplanet. At nearly three million years old, the exoplanet is about the age of a two-week-old baby in planet-years.

Ancient hot water on Mars points to habitable past: Curtin study - EurekAlert

Meteorite crystals show evidence of hot water on ancient Mars