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Exotic 'blazar' is part of most extreme double black hole system ever found, crooked jet suggestsA beam of particles speeding away from a monstrous black hole is severely kinked, suggesting that the black hole is actually part of the most extreme binary system known.
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If aliens existed on Mars 3.7 billion years ago, they would have needed umbrellasA vast network of inverted channels, formed of sediment laid by ancient rivers, implies Mars was once a much rainier place than we thought.
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Cosmic images from the world's largest digital camera are so big they require a 'data butler'The amount of data generated by the Rubin Observatory is going to blow all previous cosmic datasets out of the water, but handling that much information poses a severe challenge.
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A hidden 'super-Earth' exoplanet is dipping in and out of its habitable zoneWith 10 times the mass of our planet, and spending only part of its orbit in the habitable zone, Kepler-725c is very different to Earth.
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China is sharing priceless moon samples with international partners, but NASA can't be a part of itThe Wolf Amendment, a law that prevents bilateral cooperation in space research between the U.S. and China, is preventing U.S. government-funded analysis of the Chang'e 5 moon samples.
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How a 'mudball' meteorite survived space to land in the jungles of Central America"The fall of Aguas Zarcas was huge news in the country. No other fireball was as widely reported and then recovered as stones on the ground in Costa Rica in the past 150 years."
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Is the moon still geologically active? Evidence says it's possibleWrinkle ridges that formed in the past 160 million years suggest recent geological activity on the moon.
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Newly discovered super-Earth orbits in and out of its star's habitable zone. Could life survive its extreme climate?The climate on such a world must be beyond bizarre.
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World's 2nd fastest supercomputer runs largest-ever simulation of the universeThe simulations will be used by astronomers to test the standard model of cosmology.
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Boost for Mars life? Red Planet's magnetic field may have lasted longer than thoughtMars' global magnetic field may have hung around for 200 million years longer than scientists had thought, possibly giving life a longer window to take hold on the Red Planet.
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Phew! No 'doomsday' asteroids hide in famous broken comet's debris streamThe Taurid Meteoroid Stream, which is possibly responsible for the famous Tunguska and Chelyabinsk impacts, probably doesn't hide a civilization-killing asteroid.
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Jupiter's Great Red Spot is being squeezed, Hubble Telescope finds — and nobody knows whyThe Hubble Space Telescope has seen Jupiter's Great Red Spot oscillating in width as it drifts around the planet. Could this be related to its overall shrinking?
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The moon might still have active volcanoes, China's Chang'e 5 sample-return probe revealsChina's Chang'e 5 mission brought back evidence that the moon had erupting volcanoes just 120 million years ago.
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Scientists make lab-grown black hole jetsBy using protons to probe how a magnetic field responds to an expanding plasma, experimenters have replicated the particle jets spewed out by active black holes.
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SETI searches for alien life in over 1,000 galaxies using unexplored radio frequenciesAlthough no aliens were found, the results have helped constrain expectations of possible alien transmitter power.
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Astronomers discover new 'odd radio circle' near the center of our galaxyA mysterious ring invisible at all wavelengths except radio could be a trace of a dramatically unstable star shedding its skin.
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Astronomers measure 'warp speed' of Milky Way galaxyThe Milky Way is warped, possibly as the result of a collision with another galaxy billions of years ago. Studying this warp could reveal more about the structure of our galaxy's hidden matter.
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Rare 'polar rain' aurora seen from Earth for the first timeSeen for the first time from the ground, the polar rain aurora produced an eerie green glow captured on camera in Norway.
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If alien life exists on Europa, we may find it in hydrothermal ventsIf there's life on Jupiter's moon Europa or Saturn's moon Enceladus, it could have a network of deep-sea hydrothermal vents to thank for its existence, new research suggests.
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Why is mystery object Cygnus X-3 so bright? Astronomers may now have the answerThe X-ray-emitting binary system Cygnus X-3 features a massive star donating matter to a compact object, probably a black hole. That may explain its perplexing brightness.
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Mysterious 'hole' on Mars could be future home for astronautsThis pit crater making recent headlines may open into a larger cave that could provide a sheltered environment for both astronauts and hypothetical Martian life.
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'Vanishing' stars may be turning into black holes without going supernova, new study hintsStars that vanish from the sky may be collapsing directly into black holes without going supernova first, a new study of a bizarre binary star system suggests.
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Jupiter's elusive 5th moon caught crossing the Great Red Spot in new NASA imagesNASA's Juno spacecraft has spotted the elusive fifth moon of Jupiter transiting the giant planet's Great Red Spot, giving astronomers a rare view of this small but intriguing natural satellite.
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China's 'lobster eye' Einstein telescope releases 1st batch of trippy space imagesFlaring stars, black hole outbursts and gamma-rays are just some of the cosmic exotica that Einstein Probe will hunt for.
