The feature known as Ina, as seen by NASA’s Lunar Reconnaissance Orbiter, was likely formed by an eruption of fluffy ‘magmatic foam,’ new research shows. Credit: NASA/GSFC/ASU While orbiting the Moon in 1971, the crew of Apollo 15 photographed a strange geological feature — a bumpy, D-shaped depression about two miles long and a mile

The Sun. Credit: NASA/SDO The same kind of large-scale planetary waves that meander through the atmosphere high above Earth’s surface may also exist on the Sun, according to a new study led by a scientist at the National Center for Atmospheric Research (NCAR). Just as the large-scale waves that form on Earth, known as Rossby

The twin Van Allen Probes orbit one behind the other, investigating clues in a way a single spacecraft never could. In this model, the trailing spacecraft saw an increase in injected oxygen particles (blue), which was unobserved by the first. The increase in particles was due to a geomagnetic storm front that moved across the

Artist’s impression of stars born in winds from supermassive black holes. Credit: ESO/M. Kornmesser Observations using ESO’s Very Large Telescope have revealed stars forming within powerful outflows of material blasted out from supermassive black holes at the cores of galaxies. These are the first confirmed observations of stars forming in this kind of extreme environment.

This composite image shows an infrared view of Saturn’s moon Titan from NASA’s Cassini spacecraft, acquired during the mission’s “T-114” flyby on Nov. 13, 2015. Credit: NASA/JPL Experiments led by researchers at the Georgia Institute of Technology suggest the particles that cover the surface of Saturn’s largest moon, Titan, are “electrically charged.” When the wind

An artist’s impression of the new pure and massive brown dwarf. Credit: John Pinfield An international team of astronomers has identified a record breaking brown dwarf (a star too small for nuclear fusion) with the ‘purest’ composition and the highest mass yet known. The object, known as SDSS J0104+1535, is a member of the so-called

Hubble Space Telescope image of the field containing a massive foreground galaxy cluster, MACSJ0717.5+3745. Pope and colleagues’ dusty galaxy is denoted by the red squares which show three images of the same gravitationally lensed background galaxy. A zoom in of each multiple image is shown in the right panels. Credit: Original image by NASA, European

Portals can allow the exploration of the dark sector with the Standard Model particles Portals mix or connect the dark sector particles with the Standard Model particles. Through the portals it is possible to explore the dark sector particles using the Standard Model particles. The portals play a basic and critical role in the study

This image, taken by NASA’s Hubble Space Telescope, reveals an unusual sight: a runaway quasar fleeing from its galaxy’s central hub. A quasar is the visible, energetic signature of a black hole. Black holes cannot be observed directly, but they are the energy source at the heart of quasars — intense, compact gushers of radiation

Artist impression of a progenitor of Milky Way-like galaxy in the early universe with a background quasar shinning through a ‘super halo’ of hydrogen gas surrounding the galaxy. New ALMA observations of two such galaxies reveal that these vast halos extend well beyond the galaxies’ dusty, star-forming disks. The galaxies were initially found by the

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