S1 E32 — Black Holes and the High-Energy Universe
Astronomers explore the fundamental workings of the universe and its energies through programs including Fermi, Swift, Chandra, NuSTAR and Hubble.

S1 E22 — Voyager: Journey to the Stars
Two Voyager spacecraft speed toward the boundary of the solar system, providing astronomers with valuable data about the cosmos.

S1 E11 — The Search for Earthlike Planets
The Kepler space telescope helps astronomers explore the galaxy for other planets like Earth that are capable of supporting life.

S1 E17 — The Riddle of AntiMatter
Scientists explore the mysterious substance called antimatter.

Six astronauts try to produce the most detailed 3-D images of Earth aboard the Space Shuttle Endeavour.

Observing the burning star and learning from it as the Mayans did thousands of years ago, and as we still do today.

Observing the burning star and learning from it as the Mayans did thousands of years ago, and as we still do today.

S1 E1 — Mutant Inferno
A warmer planet creates drier conditions and increasing lightning activity, causing catastrophic wildfires and other anomalies like "firenadoes"; megastorm events occur in California and Alberta, Canada.

S1 E2 — Mutant Megastorms
Climate change means warmer ocean temperatures and higher sea levels which are intensifying hurricanes. Some experts believe we should add a Category six to the Saffir-Simpson hurricane wind scale.

S1 E3 — Mutant Melt
The story of citizens most urgently affected by the melt in Alaska, faced with becoming climate refugees.

S1 E4 — Mutant Earth
The story of devastating events in California and British Columbia, Canada.

S1 E5 — Mutant Floods
Stories of major flooding in the southern US, forcing some people to leave the land their families have lived on for generations.

S1 E1 — Mercury
The formation of NASA and launching of the Mercury Space Program.

S1 E2 — Gemini and Apollo
Reliving July 20, 1969, the day Neil Armstrong became the first man to walk on the moon.

Drawing on new findings from NASA's Juno mission, scientists are peering into Jupiter's stormy heart to reveal the very origins of the solar system.

The Mars Science Laboratory named Curiosity roams the surface of Mars.

The James Webb Space Telescope leads a massive search for an extraordinary chain of events that launched our universe at the brink of the cosmic dawn.

Some believe Mars is the next home for humanity, but the real red planet is a trickster.

A look back at the Hubble Space Telescope's major accomplishments since its launch in April 1990.

S1 E24 — Reinventing Space Flight
Ride along on dramatic balloon flights into colorful geomagnetic storms to help revolutionize space travel.

S1 E18 — Mysteries of a Dark Universe
Scientists win the Nobel Prize in Physics for discovering that the universe is infinitely expanding in all directions, changing the field of cosmology.

S1 E10 — Mars: Earth That Never Was
Scientists study the history of Mars and explore the possibility that it once contained life.

S1 E6 — How Large Is the Universe
Scientists look out deep into space hoping to measure the size of the universe based on the relatively miniscule portion of space observable from Earth.

S1 E19 — Crashing Into the Moon
Several countries plan to send spacecraft to the moon, potentially leading to a permanent human presence in space.

S1 E1 — Birth of the Moon
Scientists map the surface of the moon and piece together its history to determine how it formed and learn more about Earth's origins in the process.

S1 E2 — Attack of the Sun
Scientists probe the sun to learn more about coronal mass ejections, violent periodic outbursts that disrupt Earth's electrical systems.

S1 E9 — Supermassive Black Hole in the Milky Way Galaxy
Astronomers study stars and ultra-dense objects near the center of the Milky Way Galaxy to learn more about the black hole at its heart.

S3 E7 — Volcano Eruption
A deadly volcano eruption causes catastrophic destruction, and a tornado flips cars on a highway.

S3 E8 — Maryland Flashfloods
Flash floods tear through Maryland in the US, a couple get stranded in a Himalayan blizzard, and a boat race is besieged by a rare weather phenomenon.

S3 E9 — Superstorm Sandy
Hurricane Sandy whips up wild waves in the Atlantic, prompting a rescue mission by the U.S. Coast Guard; cavers in California get caught out by flash floods; wild winds cause a crash for hot air balloonists; residents narrowly escape a landslide.

S3 E10 — Tornado Terror
A twister outbreak in Texas leaves a storm chaser trapped; in Florida, dangerous riptides drag swimmers out to sea; a sudden storm hits a holiday resort in Greece; a giant wave crashes through a restaurant in Italy.