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The Future of Propellantless Space Travel
Season 2 Episode 265
A new Phys.org feature explores the future of fuel-free propulsion, from proven gravity assists to emerging tech like solar, magnetic, and electric s…
5 months ago
What Fills the Universe’s Emptiest Spaces?
Season 2 Episode 264
Cosmic voids aren’t truly empty — they hold a faint mix of dwarf galaxies, thin gas, and dark matter, at just one-fifth the universe’s average densit…
5 months, 1 week ago
Mundanity and the Fermi Paradox
Season 2 Episode 263
A new study by Dr. Robin Corbet explores the idea of “radical mundanity” — the notion that extraterrestrial civilizations might simply be few and tec…
5 months, 1 week ago
Astrometry for Earth-sized Exoplanets and Dark Matter
Season 2 Episode 262
A new proposal could supercharge NASA’s future Habitable Worlds Observatory (HWO) with an ultra-precise astrometer capable of detecting the tiny “wob…
5 months, 1 week ago
The “Solitude Zone”: A New Way to Measure If We’re Alone in the Universe
Season 2 Episode 261
A new study introduces the “Solitude Zone,” a statistical model that gauges when a single intelligent species—like humanity—is most likely to exist. …
5 months, 1 week ago
New “Super-Earth” Found in the Habitable Zone
Season 2 Episode 260
Astronomers have discovered GJ 251 c, a “super-Earth” nearly four times our planet’s mass, orbiting in its star’s habitable zone — the sweet spot for…
5 months, 2 weeks ago
What’s Really Holding Back Space-Based Solar Power?
Season 2 Episode 259
A new study reveals that the biggest barrier to space-based solar power isn’t in orbit—it’s on Earth. Researchers found that while thousands of satel…
5 months, 2 weeks ago
How Cosmic Dust May Have Delivered the Building Blocks of Life to Earth
Season 2 Episode 258
In this episode, we explore new research from the Monthly Notices of the Royal Astronomical Society revealing how cosmic dust may have carried the bu…
5 months, 2 weeks ago
MIT Geologists Uncover Traces of Earth’s Primordial Origins
Season 2 Episode 257
MIT scientists have found the first direct evidence of material from the original “proto-Earth” — the planet that existed before the giant impact tha…
5 months, 3 weeks ago
The Core of the Problem: Why Our Magnetic Field is Weakening
Season 2 Episode 256
The Earth's protective magnetic field is changing. Data from the ESA Swarm mission reveals that the South Atlantic Anomaly, a vast weak spot in our p…
5 months, 3 weeks ago