Giant doubts about giant exomoons
The extrasolar planets Kepler-1625b and Kepler-1708b are supposedly the home worlds of the first known exomoons. A new study now comes to a different conclusion.
Dec 8th, 2023
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Ancient stars made extraordinarily heavy elements
How heavy can an element be? Scientists have found that ancient stars were capable of producing elements with atomic masses greater than 260, heavier than any element on the periodic table found naturally on Earth. The finding deepens our understanding of element formation in stars.
Dec 8th, 2023
Read moreStellar winds regulate growth of galaxies
Galactic winds, observed in galaxies over 7 billion years old, play a crucial role in regulating their growth and star formation rate by facilitating matter exchange with their surroundings.
Dec 7th, 2023
Read moreTracking undetectable space junk
Colliding pieces of space debris emit electric signals that could help track small debris littering Earth's orbit, potentially saving satellites and spacecraft.
Dec 5th, 2023
Read moreAstronomers determine the age of three mysterious baby stars at the heart of the Milky Way
Through analysis of high-resolution data from a ten-metre telescope, researchers have succeeded in generating new knowledge about three stars at the very heart of the Milky Way. The stars proved to be unusually young with a puzzling chemical composition that surprised the researchers.
Dec 5th, 2023
Read moreCan signs of life be detected from Saturn's frigid moon?
Researchers have demonstrated that amino acids within Enceladus' ice plumes can endure impact speeds up to 4.2 km/s, bolstering their detection in spacecraft sampling and supporting Enceladus as a key target in the search for extraterrestrial life.
Dec 5th, 2023
Read moreUnlocking neutron star rotation anomalies: Insights from quantum simulation
A collaboration between quantum physicists and astrophysicists has achieved a significant breakthrough in understanding neutron star glitches. They were able to numerically simulate this enigmatic cosmic phenomenon with ultracold dipolar atoms.
Dec 5th, 2023
Read moreInterpreting the afterglow of a black hole's breakfast
An entirely new way to probe how active black holes behave when they eat has been discovered by an international team of astronomers.
Dec 5th, 2023
Read moreA new possible explanation for the Hubble tension
Study proposes a solution to one of the great mysteries of cosmology.
Dec 2nd, 2023
Read moreGhostlike dusty galaxy reappears in James Webb Space Telescope image
It first appeared as a glowing blob from ground-based telescopes and then vanished completely in images from the Hubble Space Telescope. Now, the ghostly object has reappeared as a faint, yet distinct galaxy in an image from the James Webb Space Telescope.
Dec 2nd, 2023
Read moreScientists discover rare 6-planet system that moves in strange synchrony
Scientists have discovered a rare sight in a nearby star system: Six planets orbiting their central star in a rhythmic beat. The planets move in an orbital waltz that repeats itself so precisely it can be readily set to music.
Nov 29th, 2023
Read moreSolar activity likely to peak next year, new study suggests
Scientists have discovered a new relationship between the Sun's magnetic field and its sunspot cycle, that can help predict when the peak in solar activity will occur. Their work indicates that the maximum intensity of solar cycle 25, the ongoing sunspot cycle, is imminent and likely to occur within a year.
Nov 28th, 2023
Read moreAstronomers find 'tilted' planets even in pristine solar systems
Scientists have long puzzled over why all of the planets in Earth's solar system have slightly slanted orbits around the sun. But a new, study suggests this phenomenon may not be so unusual after all. Even in 'pristine' solar systems, planets exhibit a bit of a tilt.
Nov 28th, 2023
Read moreExtreme stars share unique properties that may provide a link to mysterious sources
Scientists have studied a rare species of ultra-dense stars, so called magnetars, to uncover an underlying law that appears to apply universally to a range of objects known as neutron stars.
Nov 23rd, 2023
Read more'Amaterasu' particle: a new cosmic mystery
Scientists have successfully detected an ultra-high-energy cosmic ray with an energy level comparable to the most energetic cosmic ray ever observed. The cosmic ray is set to be named after the Japanese sun goddess, Amaterasu.
Nov 23rd, 2023
Read moreSaturn is eating its D ring - resulting in a complex upper atmosphere
A recent doctoral thesis, Diving Deep into Saturn's Equatorial Ionosphere with Cassini: Insights from the Grand Finale, focuses on the composition of plasma, charged particles, in the upper part of Saturn's atmosphere and how our understanding of it has evolved since the discovery of the ring influx.
Nov 22nd, 2023
Read moreDwarf galaxies use 10-million-year quiet period to churn out stars
Rsearchers found that less evolved dwarf galaxies have higher star formation rates due to a 10-million-year delay in expelling gas and dust, allowing more stars to form and evolve.
Nov 22nd, 2023
Read more'Triple star' discovery could revolutionise understanding of stellar evolution
A ground-breaking new discovery could transform the way astronomers understand some of the biggest and most common stars in the Universe.
Nov 22nd, 2023
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