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Small Magellanic Cloud is being pulled apart, reshaping how astronomers read its past
Small Magellanic Cloud is being pulled apart, reshaping how astronomers read its past Gaby Clark Scientific Editor Robert Egan Associate Editor Using more than a decade of observations from the VISTA Survey of the Magellanic Clouds (VMC), researchers measured the motions of millions of stars across the Small Magellanic Cloud with unprecedented precision. The new study, published in Astronomy & Astrophysics, provides direct evidence of a galaxy-wide tidal disruption of the Small Magellanic...
Brightness 'gap' in ancient star cluster reveals missing red dwarfs
Brightness 'gap' in ancient star cluster reveals missing red dwarfs Gaby Clark Scientific Editor Robert Egan Associate Editor Scientists from the Space Telescope Science Institute (STScI) in Baltimore, Maryland, sought to study one stellar subject and ended up finding something even more exciting. The team's results published today in Astronomy & Astrophysics. Using data from the European Space Agency's (ESA's) Euclid space telescope and NASA's Hubble Space Telescope, the team planned to...
A natural chemistry laboratory in protostar shock waves
A natural chemistry laboratory in protostar shock waves Lisa Lock Scientific Editor Andrew Zinin Lead Editor Life exists because elements combine to form complex organic molecules. Astrochemistry studies this process, trying to understand how nature creates carbon-based molecules critical for life. One source for these types of molecules is the outflows emitted by protostars.
Gravitational-wave astronomy with a space-based optical clock network
arXiv:2606.01516v1 Announce Type: cross Abstract: Since the first detection of a merging binary black hole system a decade ago, gravitational-wave astronomy has emerged as a powerful tool for astrophysics. Future space-based observatories, such as the Laser Interferometer Space Antenna (LISA), will unlock the millihertz (mHz) band, which remains entirely inaccessible to ground-based detectors due to terrestrial noise. In parallel, proposed atom-based gravitational-wave detectors,...
Trouble near the Milky Way: The Large Magellanic Cloud is ripping its smaller neighbor galaxy apart
Trouble near the Milky Way: The Large Magellanic Cloud is ripping its smaller neighbor galaxy apart In the gravitational tug of war between the dwarf galaxy siblings, it's the Small Magellanic Cloud that's losing. The Small Magellanic Cloud seems to be coming undone at the gravitational hands of its sibling galaxy, the Large Magellanic Cloud, which has been found to be unwrapping its little brother's stars. The Small and Large Magellanic Clouds (SMC and LMC for short) are two dwarf irregular...
Glittering star cluster image reveals missing patch of stars: 'We were not looking for the gap, but we found it'
Glittering star cluster image reveals missing patch of stars: 'We were not looking for the gap, but we found it' The new view captures an irregularity in how stars are distributed within NGC 6397. A gorgeous new portrait of an ancient star cluster reveals an unexpected imperfection: a visible gap in the brightness of its stars. The stunning image, taken by the European Space Agency’s (ESA) Euclid space telescope, captures NGC 6397 — one of the closest globular clusters to Earth.
How do you study an invisible exoplanet? Astronomers discover planetary 'fingerprints' in the rings around stars
How do you study an invisible exoplanet? Astronomers discover planetary 'fingerprints' in the rings around stars You just have to read between the rings. How do you weigh a planet you can't see from many light-years away?
Chinese black hole-hunting scientist Dai Liang quits US for Shanghai post
Chinese black hole-hunting scientist Dai Liang quits US for Shanghai post The physicist who received a fellowship reserved for the ‘brightest young scientists’ in North America has joined Fudan University A physicist who was awarded a fellowship reserved for the “brightest young scientists” in the US and Canada for his work hunting for black holes has returned to China. Dai Liang, who received a Sloan Research Fellowship for physics in 2021, recently took up a professorship at Fudan...
Scientists think they solved the mystery of the Amaterasu particle
Scientists think they solved the mystery of the Amaterasu particle - Date: - June 9, 2026 - Source: - Penn State - Summary: - The mysterious Amaterasu particle may not be a proton at all. New research suggests that some of the most extreme cosmic rays could be ultraheavy atomic nuclei, heavier than iron, which are better able to retain their energy while traveling through space. This idea could help explain how these rare particles reach Earth and provide new clues about the powerful cosmic...
Milky Way black hole's missing wind finally found after a half-century-long search
Milky Way black hole's missing wind finally found after a half-century-long search Sadie Harley Scientific Editor Robert Egan Associate Editor After more than 50 years of searching, astrophysicists at Northwestern University have finally discovered evidence of a powerful wind blowing from the Milky Way's central supermassive black hole, Sagittarius A* (Sgr A*). According to theoretical physics and a long-accepted understanding of galaxies' evolution, as black holes consume materials, they...