Astronomy & Cosmology

🪐On fouille les fichiers secrets sur les OVNIS (il faut dire UAP) et c'est nul.

🪐We're digging through secret files on UFOs (you should say UAP) and it's rubbish.

Conférence ludique : voyage dans le cosmos avec Christophe Galfard

Fun Talk: A Journey Through the Cosmos with Christophe Galfard

Astrofotografía y óptica adecuada | Conferencia de Leonardo Cuesta Martínez

Astrophotography and suitable optics | Lecture by Leonardo Cuesta Martínez

2026 Spring Symposium: Day 4 | Session 16

2026 Spring Symposium: Day 4 | Session 14

2026 Spring Symposium: Day 4 | Session 13

Y-a-t-il de la vie ailleurs sur les exoplanètes ? Par David Fossé

Is there life elsewhere on exoplanets? By David Fossé

Every Confusing Thing About Time Explained Slowly (For Sleep)

2026 Spring Symposium: Day 4 | Session 15

2026 Spring Symposium: Day 3 | Session 9

2026 Spring Symposium: Day 3 | Session 12

2026 Spring Symposium: Day 3 | Session 10

Why Our Brains Can’t Grasp the True Scale of the Universe

The Mystery Of Extraterrestrial Life | Free Documentary Space

Fermi Paradox: Uninterested Aliens

Everything About Earth 🌍 | How the Universe Works | Science Channel

Combien de Temps Nous Faudrait-il pour Parcourir Une Année-Lumière ?

How Long Would It Take Us to Travel a Light-Year?

Ciclo de conferencias: "Astrofísica hoy: ciencia y fascinación", por Rafael Bachiller

Lecture series: "Astrophysics today: science and fascination", by Rafael Bachiller

Avant le Big Bang : le plus grand mystère de la science - DOCUMENTAIRE ESPACE

Before the Big Bang: the greatest mystery of science - SPACE DOCUMENTARY

2026 Spring Symposium: Day 3 | Session 11

2026 Spring Symposium: Day 2 | Session 8

2026 Spring Symposium: Day 2 | Session 6

Are We Searching for Aliens the Wrong Way?

2026 Spring Symposium: Day 2 | Session 7

2026 Spring Symposium: Day 1 | Session 3

2026 Spring Symposium: Day 1 | Session 1

On a détecté un ASTRE INVISIBLE (et on a tenté de lui parler) - On Se l'Demande #197 - Le JDE

We detected an INVISIBLE STAR (and we tried to talk to it) - On Se l'Demande #197 - Le JDE

2026 Spring Symposium: Day 1 | Session 4 and Discussion

Quelle est la GALAXIE la plus GRANDE de l'Univers ?

What is the LARGEST GALAXY in the Universe?

La preuve que la vie intelligente est impossible dans l'Univers (Le grand filtre)

The Proof That Intelligent Life Is Impossible in the Universe (The Great Filter)

Every Confusing Thing About Dark Matter Explained Slowly (For Sleep)

All Fermi Paradox Solutions Are Disturbing… And We’re Not Ready | Full Documentary

Une planète en diamant ? La vérité sur les exoplanètes

A Diamond Planet? The Truth About Exoplanets

Le Soleil n'a JAMAIS brûlé | Le paradoxe de 5 milliards d'années

The Sun has NEVER burned | The 5 billion year paradox

How Telescopes Revealed the Universe | Free Documentary Space

The Strange Deep Mysteries of Pluto

Nouveautés astro #2 : Vaonis, Takahashi, ZWO, Dwarf, SunScan, Svbony, MLAstro, SkyWatcher, PrimaLuce

New product astro #2: Vaonis, Takahashi, ZWO, Dwarf, SunScan, Svbony, MLAstro, SkyWatcher, PrimaLuce

Le plus grand mystère de l'Univers... (les trous noirs)

The greatest mystery of the Universe... (black holes)

IvS Seminar: Jarle Brinchmann (07/05/2026)

Divergent Small Bodies: Interstellar Interlopers and Dark Comets