NASA has begun barring Chinese nationals with valid visas from joining its programs, underscoring the intensifying space race between the rival powers.
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NASA has begun barring Chinese nationals with valid visas from joining its programs, underscoring the intensifying space race between the rival powers. Go to Source A new study suggests a habitable past and signs of ancient microbial processes on Mars. Led by NASA and featuring key analysis from Imperial College London, the work has uncovered a range of minerals and organic matter in Martian rocks that point to an ancient history of habitable conditions and potential biological processes on the […] A team of researchers, including those at the University of Tokyo, discovered that liquid water once flowed on the asteroid that spawned near-Earth asteroid Ryugu more than a billion years after it first formed. The finding, based on tiny rock fragments returned by the Hayabusa2 spacecraft of the Japan Aerospace Exploration Agency (JAXA), overturns long-held […] A blowtorch of seething gases erupting from a volcanically growing monster star has been captured by NASA’s James Webb Space Telescope. Stretching across 8 light-years, the length of the stellar eruption is approximately twice the distance between our sun and the next nearest stars, the Alpha Centauri system. The size and strength of this particular […] A new study led by Southwest Research Institute’s Dr. Michael Starkey has provided observational evidence from the SwRI-led Magnetospheric Multiscale (MMS) Mission of pickup ions (PUIs) and associated wave activity in the near-Earth solar wind environment. The MMS mission, launched by NASA in 2015, placed four spacecraft in orbit to observe Earth’s magnetosphere, a magnetic […] Physicists have long believed that black holes explode at the end of their lives, and that such explosions happen—at most—only once every 100,000 years. But new research published in Physical Review Letters by physicists at the University of Massachusetts Amherst has found a more than 90% probability that one of these black-hole explosions might be […] Scientists have confirmed two long-standing theories relating to black holes—thanks to the detection of the most clearly recorded gravitational wave signal to date. Go to Source For centuries, astronomers have puzzled over the origins of one of the universe’s oldest and densest stellar systems, known as globular clusters. Now, a University of Surrey-led study published in Nature has finally solved the mystery using detailed simulations—while also uncovering a new class of object that could already be in our own galaxy. Go […] Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These “quasi-moons” are small asteroids that enter into a kind of resonance with Earth’s orbit, although they aren’t technically orbiting Earth. In August, this small group of asteroids, called Arjunas, offered […] Traditionally, black holes are usually thought to “reside” at the centers of galaxies. However, a research team led by Dr. An Tao from the Shanghai Astronomical Observatory of the Chinese Academy of Sciences has discovered a wandering black hole in a dwarf galaxy located about 230 million light-years away (redshift z = 0.017). Go to […] Planetary scientists believe they can now predict the green glow of an aurora in the night sky above Mars, and they have the images to prove it. Go to Source An international team of astronomers reports the discovery of a new pre-main-sequence eclipsing binary system. The newfound binary, designated MML 48, consists of two young low-mass stars. The finding will be published in the upcoming issue of the Astronomy & Astrophysics journal. Go to Source A greedy white dwarf star not far from Earth is devouring its closest celestial companion at a rate never seen before, space scientists have discovered. Their study found the double star, named V Sagittae, is burning unusually bright as the super-dense white dwarf is gorging on its larger twin in a feeding frenzy. Go to […] A new AI-powered tool has reduced astronomers’ workload by 85%—filtering through thousands of data alerts to identify the few genuine signals caused by supernovae (powerful explosions from dying stars). The findings are published in The Astrophysical Journal. Go to Source Extremophiles are a favorite tool of astrobiologists. But not only are they good for understanding the kind of extreme environments that life can survive in, sometimes they are useful as actual tools, creating materials necessary for other life, like oxygen, in those extreme environments. A recent paper from Daniella Billi of the University of Rome […] |
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