Red giants with unusual vibrations may have gained mass from companions
A red giant’s past mass gain could make its oscillations more sensitive to internal magnetic fields.Stellar models show…
Japan’s historic MMX mission begins a daring journey to collect the first samples from Mars’ moon Phobos
Japan’s MMX spacecraft has launched toward Mars, aiming to return at least 10 grams of material from Phobos…
MEGATRON simulations connect the first stars with the universe’s smallest galaxies
MEGATRON simulations offer a possible explanation for the similar iron content of many of the smallest galaxies.Radiation delayed…
Can a black hole split into two in accordance with Einstein’s general relativity?
A theoretical study examines which laws prevent black holes from splitting and where altered assumptions might permit fragmentation.Rapid…
Scientists find evidence of a solar storm near a supermassive black hole
An X-ray flare near NGC 3783’s supermassive black hole showed a timing pattern familiar from solar eruptions.XRISM and…
NASA’s Roman Space Telescope prepares to unleash a flood of new cosmic discoveries
Roman is designed to return about 1.4 terabytes of data daily, with observations becoming publicly available after processing.A…
Humans may not have the heart for space travel to Mars
Male rats exposed to simulated cosmic radiation had roughly twice as much collagen around heart blood vessels at…
New large-sized telescope array in Spain ushers in a new era in exploring the extreme universe
Four 23-meter telescopes on La Palma mark the completion of construction for CTAO-North’s Large-Sized Telescope sub-array.Their large mirrors…
JWST finds hidden structure in a hot exoplanet’s atmosphere 1,300 light-years away
Webb observations reveal a hotter, more extended evening edge in the atmosphere of the giant exoplanet WASP-17b.A method…
NASA plans radar and seismic tests for a hidden lunar cave that could shelter future astronauts
NASA selected GIMLI to investigate whether the Marius Hills Pit opens into an underground lunar lava tube.Radar, seismic…
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…
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…