Radio telescopes are instruments that capture faint radio signals from space and convert them into images of celestial bodies. To observe distant black holes clearly, multiple radio telescopes must capture cosmic signals at exactly the same time, acting as a single unit. Research teams at KAIST have developed a new reference signal technology that uses […]

One of the most vivid portraits of “reborn” black hole activity—likened to the eruption of a “cosmic volcano” spreading almost 1 million light-years across space—has been captured in a gigantic radio galaxy.

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At the beginning of the exoplanet age, the goals were fairly simple. The first was to find as many of them as possible to flesh out our understanding of the exoplanet population. The second was to determine if any were in the habitable zones around their stars.

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What exists beneath the surface of Jupiter’s icy moon, Callisto? This is what a recent study accepted by The Planetary Science Journal hopes to address as a team of researchers investigated the subsurface composition of Callisto, which is Jupiter’s outermost Galilean satellite. This study has the potential to help scientists better understand the interior composition […]

Four International Space Station crewmembers splashed down in the Pacific Ocean on Thursday, NASA footage showed, after the first ever medical evacuation in the orbital lab’s history.

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When fire breaks out in the low-gravity, high-stakes conditions inside spacecraft or space stations, it behaves very differently than back here on Earth.

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A research team from the Yunnan Observatories of the Chinese Academy of Sciences (CAS), in collaboration with domestic and international partners, has carried out observational studies on SN 2024gy—a high-velocity Type Ia supernova (SN Ia)—using the Lijiang 2.4-meter telescope.

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Betelgeuse is the star that everybody can’t wait to see blow up, preferably sooner rather than later. That’s because it’s a red supergiant on the verge of becoming a supernova and there hasn’t been one explode this close in recorded human history. It’s been changing its brightness and showing strange surface behavior, which is why […]