Astronomers confirm dark streaks running down cliffs on the Red Planet contain evidence of flowing liquid water. Also; Rosetta's comet 67P consists of two separate comets that merged early in the history of the solar system, and new computer simulations reveal how the brightest galaxies in the universe were formed.

Signs of water discovered on Mars

Hosted by Stuart Gary, StarStuff takes us on a weekly journey across the universe to see the death of stars and the birth of new worlds. StarStuff's tour of the cosmos examines those ultimate questions: where do we come from?; and are we alone?  From Einstein's relativity theory to quantum mechanics, StarStuff reports on the latest news and discoveries in science, with a special focus on astronomy, space sciences and cosmology.

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FINAL EPISODE: Bright spots on the dwarf planet Ceres are giant salt pans. Also; climate change slowing the planet's rotation, and searching for the universe's missing matter.

Ceres bright spot mystery solved

Astronomers observe for the first time how the Sun acts as a powerful accelerator. Also: The LISA Pathfinder launches on its mission to test Albert Einstein's General Theory of Relativity, and discovery of another possible dwarf planet out beyond Pluto.

How the Sun generates solar flares

A monster black hole rips apart a Sun-like star in a spectacular stellar feeding frenzy. Also; Earth's magnetic field isn't about to flip just yet, and the new model explaining how the Moon got its tilt.

Black hole stellar feeding frenzy

Scientists witness for the first time how planets are born and grow. Also; The red planet Mars to get a Saturn-like ring, and 100 years of Albert Einstein's general theory of relativity.

Astronomers see the birth of a planet

New findings explain the origins of Earth's water. Also: possible ice volcanoes discovered on Pluto, and the oldest stars ever seen.

Signs of water discovered on Mars

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