An international research project is bringing scientists closer to mapping the universe. The MeerKLASS Collaboration has reported its first measurement of the large-scale clustering of cosmic hydrogen, advancing a technique that could transform how cosmologists chart the universe.

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One of NASA’s premier space telescopes plunged to Earth on Wednesday, ending its 22-year investigation of the universe’s biggest explosions.

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So far, observations by instruments including the James Webb Space Telescope have revealed the presence of surprisingly massive black holes in the early universe. Even less than a billion years after the Big Bang, some of these bodies already weighed billions of times the mass of the sun, and to date, astronomers are unclear as […]

Modern space exploration hasn’t quite reached “Star Trek” levels of boldly going where no one has gone before. But if, like the denizens of the USS Enterprise, astronauts one day want to land on an uncharted planet, they’d first want to know what’s on—and under—the surface.

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If a dangerous asteroid were headed toward Earth, one defense could be a nuclear detonation to blast one side with X-rays and nudge it off course. But new simulations suggest that for a lumpy, irregular asteroid, exactly where those X-rays hit could make a huge difference.

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Astrophysicists think that the supermassive black holes (SMBH) we see in the modern universe are the result of a long, drawn-out process. That process is referred to as the hierarchical black hole mergers framework. It explains how some SMBHs can reach such staggering masses. Some of the most massive appear to have billions of solar […]

Astronomers using the James Webb Space Telescope (JWST) have confirmed a massive, dust-rich galaxy called Leviathan in the early universe. Seen when the universe was roughly 1.5 billion years old, the galaxy has its stars spread out rather than in a concentrated fashion. A paper, describing its strange stellar distribution, was posted to the arXiv […]

An international team led by researchers at Queen’s University Belfast has made a discovery that has eluded astronomers for decades. Beginning in 1906, telescope observations revealed a population of asteroids leading and trailing Jupiter, which came to be known as the “Trojan” and “Greek” populations. Since then, astronomers have discovered similar “families” orbiting Saturn and […]