Astronomers may have discovered a rare contact trinary in the asteroid belt: asteroid 44 Nysa appears to be three distinct bodies fused together.

High-resolution observations reveal a striking three-lobed shape, while a tiny moon orbiting Nysa is helping scientists measure its mass and density. The findings could reveal whether Nysa is solid rock or a rubble pile—and how the earliest planetary bodies formed.

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This episode includes AI-generated content.

A new study in Nature Astronomy suggests that the spin of modern galaxies is a direct legacy of the early universe.

Scientists found evidence supporting tidal torque theory, showing how ancient gravitational forces gave galaxies their angular momentum billions of years ago. The discovery could also offer a new way to investigate elusive cosmic particles such as neutrinos by studying their influence on the primordial universe.

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Chilbolton Observatory is helping protect Earth’s increasingly crowded orbital environment. Using powerful radar, scientists track thousands of pieces of space debris, monitor satellite collision risks, and support warnings that protect critical space infrastructure.

The observatory also contributes to planetary defense by tracking near-Earth asteroids and assessing potential threats. As satellite constellations rapidly expand, continuous monitoring is becoming essential for keeping space safe and sustainable.

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Astronomers may have solved the mystery of the early universe's little red dots. Instead of hidden black holes, these objects could be supermassive stars about 100,000 times the mass of the Sun, shedding dense gas shells during powerful pulsations.

The model matches James Webb Space Telescope observations, explaining their compact, nitrogen-rich appearance and suggesting these giants eventually collapsed directly into the first supermassive black holes, offering a unified origin for one of cosmology's biggest mysteries.

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NASA's PUNCH mission is transforming solar storm prediction by continuously tracking coronal mass ejections from the Sun to Earth using four coordinated spacecraft.

The mission has already improved arrival time accuracy to within 30 minutes—about 10× better than previous methods—while producing stunning 3D views that reveal solar plasma is far more turbulent than once believed. These advances could better protect satellites, power grids, astronauts, and other critical technology from space weather.

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Most stellar-mass black holes may be completely alone—and virtually invisible. In this episode, we explore new simulations suggesting that over 90% of the Milky Way's black holes have no companion star, making them extremely difficult to detect.

Future missions like the Roman Space Telescope could finally uncover this hidden population, transforming our understanding of black holes and the evolution of our galaxy.

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This episode includes AI-generated content.

Astronomers have uncovered the chemical fingerprints of destroyed exoplanets by analyzing debris absorbed by white dwarf stars.

The remnants reveal that many alien worlds have compositions remarkably similar to the rocky planets in our own solar system, while others appear to be rich in water. The findings offer a powerful new way to study the formation and diversity of planets across the galaxy.

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This episode includes AI-generated content.

What if our solar system began with the ashes of ancient stars? In this episode, we explore new evidence showing that presolar stardust acted as the seeds for the first solid materials to form around the young Sun.

The discovery reshapes our picture of the early solar system and reveals how material from long-dead stars helped build the planets—and may even inspire new advances in medicine. 

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Where should humans land on Mars? In this episode, we explore how scientists are creating detailed global maps to locate subsurface water ice hidden beneath the Martian surface.

These frozen reserves could provide drinking water, oxygen, and even rocket fuel, making them essential for future human exploration while reducing the cost and risk of missions.

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This episode includes AI-generated content.

Black holes may behave less like bottomless pits and more like cosmic digestive systems. In this episode, we explore new observations showing that black holes eject enormous amounts of matter through powerful winds and jets, even after their feeding slows down.

The discovery suggests that much of the material they capture is eventually returned to space, reshaping our understanding of how black holes influence the evolution of galaxies.

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This episode includes AI-generated content.