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Astronomers


An image of Neptune captured by Voyager 2 in 1989. New infrared images of the planet has revealed some surprising temperature changes in its atmosphere over the last two decades. (Image credit: NASA/JPL) Astronomers have discovered a perplexing trend in Neptune’s atmosphere: Ever since the planet’s southern hemisphere summer began almost two decades ago, atmospheric …

Enlarge / A rendering of the star V Hydrae, or V Hya for short. In its death throes, the star emitted a series of expanding rings that scientists calculated are being formed every few hundred years, per UCLA astronomer Mark Morris. ALMA (ESO/NAOJ/NRAO)/S. Dagnello (NRAO/AUI/NSF) Astronomers have caught a red giant star going through its …

Artist’s impression of star being tidally disrupted by a supermassive black hole.   ESO/M. Kornmesser It’s one of those astounding events that sounds like science fiction, but is just plain science. Astronomers say they were able to capture in unprecedented detail the process of a star being ripped into strips and devoured by a black …

A tiny white dwarf, WD 1856, is orbited closely by a huge planet.  NASA Goddard Around 80 light-years from Earth lies the white dwarf WD 1856, a dead star that entered the final stages of its life around 6 billion years ago. This slow death is typically quite lonely. In the process of dying, some …

Image copyright EGO/Virgo Collaboration/Perciballi Image caption The LIGO-Virgo collaboration runs some of the most exquisite scientific instruments ever built Scientists have discovered an astronomical object that has never been observed before. It is more massive than collapsed stars, known as “neutron stars”, but has less mass than black holes. Such “black neutron stars” were not …

A visiting mini-moon is circling Earth, according to astronomers who discovered the cosmic squatter in our planet’s orbit. The tiny asteroid, dubbed 2020 CD3, was spotted by astronomers in Tucson, Arizona, on Feb. 15. “BIG NEWS,” Kacper Wierzchos, a researcher with the Catalina Sky Survey at the University of Arizona’s Lunar and Planetary Lab, tweeted …

Image copyright Allen Observatory Image caption Is there any body out there? It’s a question that governments are not paying to answer The head of one of the US’s national observatories says the search for intelligent life elsewhere in the universe needs to be taken more seriously. Dr Anthony Beasley told the BBC that there …

Image copyright Marco Langbroek/SatTrackCam Leiden Image caption Astronomers are concerned that the bright satellites could hinder their research Astronomers are warning that their view of the Universe could be under threat. From next week, a campaign to launch thousands of new satellites will begin in earnest, offering high-speed internet access from space. But the first …

A huge black hole has been discovered on the other side of the galaxy. It’s so massive, scientists say it shouldn’t even be possible. In a study published Wednesday in the journal Nature, Chinese astronomers detail their discovery of a black hole, dubbed LB-1, in the Milky Way with a mass of about 70 times that …

White dwarf, An old, extremely dense star of faint luminosity, formed by the nucleus of a red giant … [+] contracting until it reaches the size of Earth. (Photo by: QAI Publishing/Universal Images Group via Getty Images) Universal Images Group via Getty Images In the search for Earth-like worlds among the stars, much of the …