Sensing Suns: Astronomers Accurately Measure the Temperature of Red Supergiant Stars
Red supergiants are a class of star that end their lives in supernova explosions. Their lifecycles are not fully understood, partly due to difficulties in…
Stars
New Map of Solar Neighborhood Reveals That Binary Stars Are All Around Us
Gaia survey provides location and motion of 1.3 million binary pairs within 3,000 light years of Earth. The latest star data from the Gaia space…
Growing up Stardust: Astronomers Discover That Stars and Planets May Be Siblings
An international team of scientists has discovered planet formation in a star system younger than 500,000 years old. The find, published in Nature, is a…
Vaporized Crusts of Earth-Like Planets Discovered in Dying Stars
Remnants of planets with Earth-like crusts have been discovered in the atmospheres of four nearby white dwarf stars by University of Warwick astronomers, offering a…
New Worlds in a River of Young Stars Discovered by NASA’s Transiting Exoplanet Survey Satellite
Using observations from NASA’s Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a trio of hot worlds larger than Earth orbiting…
Study of Supergiant Star Betelgeuse Unveils the Cause of Its Pulsations – Not at All Close to Exploding
Recalibrated Betelgeuse’s mass, radius, and distance. Betelgeuse is normally one of the brightest, most recognizable stars of the winter sky, marking the left shoulder of…
Distant Colliding Galaxy Dying Out As It Loses the Ability to Form Stars – Ejecting 10,000 Suns-Worth of Gas a Year
Galaxies begin to “die” when they stop forming stars, but until now astronomers had never clearly glimpsed the start of this process in a far-away…
Massive Rotating Stars in the Pleiades Cluster
The Pleiades star cluster, a brilliant collection of several hundred stars visible in the winter sky near the constellation of Orion, has been admired by…
All 468 Stars in Milky Way Stellar Stream Theia 456 Are Related – “It’s Like Finding a Needle in a Haystack”
Examination of Theia 456 finds its nearly 500 stars were born at same time. The Milky Way houses 8,292 recently discovered stellar streams — all…
A Star Dying Soon After the Beginning of the Universe Could Be Disrupting Mobile Phone Reception Today
Rare Star’s Giant Gamma-Ray Burst GRB 204015A Captured Close to Our Home Galaxy Earth gets blasted by mild short gamma-ray bursts (GRBs) most days. But…
“This Galaxy Is Witnessing a Truly Extreme Event” – Galaxy Mergers Could Limit Star Formation
Astronomers have looked nine billion years into the past to find evidence that galaxy mergers in the early universe could shut down star formation and…
Cosmic Neon Lights: Strange New Type of Star Revealed in X-ray Light
This image shows a new type of star that has never been seen before in X-ray light. This strange star formed after two white dwarfs…
Striped or Spotted? Planetary Scientists Solve a Brown Dwarf Mystery
Planetary scientists wondered if bands of winds or swirling storms dominated the atmospheres of brown dwarfs. University of Arizona-led research has solved the mystery. A…
Chandra Studies Extraordinary Magnetar: Fastest Spinning and Possibly the Youngest Magnetar Known
Astronomers have recently found the fastest spinning and possibly the youngest magnetar known. This object, known as J1818.0-1607, is located about 21,000 light years away…
Chinese Astronomers Discover 591 High Velocity Stars – 43 of Them Can Even Escape From the Galaxy
A research team, led by astronomers from National Astronomical Observatories of Chinese Academy of Sciences (NAOC), has discovered 591 high velocity stars from the Large…
How Stars Form in Nearby Galaxies
How stars form in galaxies remains a major open question. Robert Feldmann sheds new light on this topic with the help of a data-driven re-analysis…
Astronomers May Have Spotted a Nanoflare on the Sun – First Predicted 48 Years Ago to Solve a Major Mystery
Researchers may have found the long-sought “nanoflares” thought to heat the solar corona to its incredible temperatures. A new study published in Nature Astronomy marks…
Astronomers Discover Pair of Lonely Exotic Planet-Like Objects Born Like Stars
An international research team led by the University of Bern has discovered an exotic binary system composed of two young planet-like objects, orbiting around each…