Space
We summarize the week's scientific breakthroughs every Thursday.
- Planetary Science
Ancient Mars wasn’t just wet. It was cold and wet
Mars may once have held enough water to fill oceans and form coastlines. The planet’s red dust contains water and likely formed in cold conditions.
- Space
Earth had new, temporary radiation rings last year
Two bands of radiation called the Van Allen belts encircle Earth. After a May 2024 solar superstorm, two more showed up between those belts.
- Physics
A weird ice that may form on alien planets has finally been observed
High-pressure experiments generated the first direct observation of plastic ice, which has qualities of both crystalline ice and liquid water.
- Physics
A cosmic neutrino of unknown origins smashes energy records
A deep-sea detector glimpsed a particle with 220 million billion electron volts of energy — around 20 times as energetic as any neutrino seen before.
- Astronomy
A fast radio burst from a dead galaxy puzzles astronomers
A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.
- Planetary Science
The moon’s two grand canyons formed in less than 10 minutes
Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.
- Earth
Ancient rocks reveal when rivers began pouring nutrients into the sea
Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.
- Space
Life’s ingredients have been found in samples from asteroid Bennu
Samples from NASA’s OSIRIS-REx mission show the asteroid Bennu had organic molecules and minerals and possibly salty water and other life ingredients.
- Astronomy
A cosmic ‘Platypus’ might link two astronomical mysteries
A flash of light called the Platypus has hallmarks of a mid-sized black hole shredding a star and a type of burst thought to be a stellar explosion.
- Astronomy
Galactic chaos at cosmic noon may have stunted Milky Way planet formation
High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.
- Planetary Science
A crumbling exoplanet spills its guts
Astronomers have determined the internal composition of a distant, disintegrating planet for the first time.
- Cosmology
How we might finally find black holes from the cosmic dawn
After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.
