SETI Institute Courses

Lunar Impact? Asteroid 2024 YR4 and the Risk to the Moon

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Explore asteroid 2024 YR4's potential lunar impact in 2032, JWST's role in refining impact odds, and what a kilometer-wide crater could mean for lunar science and Earth's satellites.

• YouTube
• 31 minutes
• Self-Paced
• Free Video

SETI@home Update - 21 Years of Citizen Science and 100 Signals to Investigate

Discover how 21 years of SETI@home citizen science led to 100 intriguing signals requiring investigation, exploring distributed computing and extraterrestrial intelligence search methods.

• YouTube
• 48 minutes
• Self-Paced
• Free Video

Exoplanetary Poetry - AI, Chemistry, and Alien Communication

Explore how AI and chemistry merge to imagine alien languages through poetry, transforming atmospheric data from real exoplanets into multisensory art installations.

• YouTube
• 39 minutes
• Self-Paced
• Free Video

When We Find Life - Science, Society, and Survival

Explore the societal, political, and philosophical challenges humanity will face when alien life is discovered and how to prepare for this monumental moment.

• YouTube
• 40 minutes
• Self-Paced
• Free Video

Comet 3I/ATLAS Perihelion Update

Discover the secrets of Comet 3I/ATLAS, a rare interstellar visitor from another star system, as astronomers race to study this cosmic traveler before its 2025 perihelion.

• YouTube
• 50 minutes
• Self-Paced
• Free Video

This Microbe Breathes Two Ways! The Bacteria That Challenge Biochemistry

Discover groundbreaking bacteria that simultaneously perform aerobic and anaerobic respiration, revolutionizing our understanding of cellular life and inspiring biotechnology innovations.

• YouTube
• 40 minutes
• Self-Paced
• Free Video

Do Aliens Speak Physics? And Other Questions about Science and the Nature of Reality

Explore whether physics is universal or shaped by human perception through a fascinating discussion on communicating with extraterrestrial intelligence via scientific concepts.

• YouTube
• 44 minutes
• Self-Paced
• Free Video

TRAPPIST-1 e Revealed - Peering Inside an Exoplanet's Atmosphere

Explore JWST's groundbreaking observations of TRAPPIST-1 e, examining atmospheric composition, habitability potential, and stellar activity challenges in this Earth-sized exoplanet.

• YouTube
• 33 minutes
• Self-Paced
• Free Video

The Moon that Could Support Life - What Cassini Discovered Beneath the Ice of Enceladus

Discover how Cassini's data reveals Enceladus may harbor a stable subsurface ocean capable of supporting life, with insights from planetary scientists on heat flow and astrobiology.

• YouTube
• 39 minutes
• Self-Paced
• Free Video

Where Water Boils the Sky - Steam Worlds and the Search for Life

Explore exotic steam worlds—water-rich exoplanets boiling at thousands of degrees—and how JWST observations are revolutionizing our understanding of planetary formation and astrobiology.

• YouTube
• 35 minutes
• Self-Paced
• Free Video

Earth 2.0? Maybe Not - Intelligent Life Might Be Far Rarer Than We Think

Explore groundbreaking research challenging assumptions about Earth-like planets and the rarity of intelligent life in our galaxy through advanced astrobiology models.

• YouTube
• 43 minutes
• Self-Paced
• Free Video

The Hidden Ocean of Ariel - Tidal Forces and the Case for a Watery Past

Discover evidence of Ariel's ancient subsurface ocean through geological mapping and tidal-stress modeling, exploring how Uranus's moon may have harbored conditions for life.

• YouTube
• 41 minutes
• Self-Paced
• Free Video

Baby Moons in the Making? The Discovery of a Moon-Forming Disk

Explore JWST's groundbreaking discovery of a carbon-rich, moon-forming disk around exoplanet CT Cha b and its implications for understanding lunar formation and potential habitability.

• YouTube
• 30 minutes
• Self-Paced
• Free Video

Life After Ice - 46,000-Year-Old Worms Wake Up

Discover how scientists revived 46,000-year-old nematodes from Siberian permafrost, exploring cryptobiosis and life's extreme resilience through deep time.

• YouTube
• 31 minutes
• Self-Paced
• Free Video

Back to the Moon - How Artemis II Sets the Stage for the Next Era of Missions

Explore how Artemis II mission prepares for future lunar exploration, mapping environments and testing conditions that will enable sustainable human presence on the Moon.

• YouTube
• 39 minutes
• Self-Paced
• Free Video