Behold six galactic collisions, masterfully captured by Hubble

The peculiar galaxy NGC 3256, pictured above, is about 100 million light-years from Earth and is the result of a past galactic merger, which created its distorted appearance. (ESA/Hubble, NASA/) To ring in the new year, NASA and the European Space Agency (ESA) dropped six captivating images of galaxies smashing into one another. The vistas […]
Can white dwarfs help solve the cosmological lithium problem? New method for measuring galactic evolution of lithium — ScienceDaily

For the first time, hard-to-track lithium has been identified and measured in the atmosphere of burned out stars called white dwarfs, according to a study led by the University of North Carolina at Chapel Hill published online in the journal Science. Lithium helps power cell phones and computers and stabilize moods. But scientists have been […]
Virgin Galactic makes first flight from New Mexico site

This photo provided by Virgin Galactic, Virgin Galactic’s SpaceShipTwo Unity, attached to mothership, VMS Eve, takes off on Saturday, Dec. 12, 2020 at Spaceport America in southern New Mexico. Saturday morning’s test flight marks the third space flight overall for Virgin Galactic as the company looks to begin commercial flights next year. (Virgin Galactic via […]
Top 10 questions I’d ask an alien from the Galactic Federation

Any science journalist would rejoice at the revelation of aliens on Earth. It would be the story of a lifetime. So it’s not surprising that a former Israeli space official’s claim that a Galactic Federation is known to the U.S. government has made a few headlines and trended on Twitter. Of course, most science journalists […]
new suspect found in galactic mystery

A ground-based view of the sky around the galaxies NGC1052-DF4 and NGC1052-DF2 – another galaxy with little to no dark matter. NGC1052-DF2 is next on Dr Montes’ list of galactic mysteries to solve. Photo: ESA/Hubble, NASA, Digitized Sky Survey 2. Credit: Davide de Martin A faraway galaxy with almost no dark matter has threatened to […]
Physicists search for imprints left by dark matter haloes as they swoosh through galactic gas

The search for dark matter – an unknown and invisible substance thought to make up the vast majority of matter in the universe – is at a crossroads. Although it was proposed nearly 70 years ago and has been searched for intensely – with large particle colliders, detectors deep underground and even instruments in space – it is still […]