Mars’s longest morning cloud may form ice without dust
A new model suggests Mars’s Arsia Mons Elongated Cloud forms partly through ice nucleation without dust seeds.Rapid cooling…
Scientists calculate how much information exists in the observable universe
A theoretical calculation estimates roughly 6 × 10⁸⁰ bits of information in selected ordinary-matter particles across the observable…
Five-dimensional black holes offer a possible explanation for dark matter and neutrinos
A theoretical study predicts five-dimensional primordial black holes within a model containing a hidden extra spatial dimension.Some modeled…
Earth’s magnetic field took 70,000 years to complete an ancient reversal
North Atlantic sediments record two magnetic reversals lasting approximately 18,000 and 70,000 years, longer than commonly assumed.The findings…
Rainstorms billions of years ago may have created habitable hotspots on Mars
A new global model suggests ancient Mars did not receive prebiotic formaldehyde evenly. Rainfall and atmospheric water vapor…
170-year-old search narrows the hunt for planets around nearby binary system 70 Ophiuchi
A new search of the nearby binary system 70 Ophiuchi AB found no convincing evidence for giant planets,…
Asteroid Bennu may have formed much closer to the Sun than scientists thought
Isotope measurements from asteroid Bennu closely match those of asteroid Ryugu and rare CI carbonaceous chondrites, suggesting all…
Astronomers discover a baby planet less than 1 million years old
Astronomers have confirmed Elias 2-24 b as the youngest planet yet detected through high-contrast imaging, in a system…
CERN recreates cosmic ray collisions to reveal what happens when space particles hit Earth
Physicists at CERN have directly measured proton-oxygen collisions at 9.62 TeV per nucleon pair, closely recreating an important…
The Moon may have formed almost intact within hours of Theia smashing into Earth
New simulations of the Moon-forming giant impact show that treating the early Earth and Theia as realistic geological…
Astronomers confirm Einstein’s gravity by viewing light from behind a supermassive black hole
Astronomers detected delayed X-ray flashes consistent with light reflected from the far side of an accretion disk and…
The universe may contain a staggering 40 quintillion black holes
Astronomers estimate that about 40 quintillion stellar-mass black holes exist within the observable universe, a number written as…