Galaxies start life with their stars rotating in an orderly pattern but in some the motion of stars is more random. Until now, scientists have been uncertain about what causes this—possibly the surrounding environment or ...
Astronomy
Apr 2, 2024
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The vision of the Euclid space telescope has been restored following a delicate operation that successfully melted a thin layer of ice that had been clouding its sight, the European Space Agency announced on Tuesday.
Astronomy
Mar 26, 2024
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The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.
Astronomy
Mar 25, 2024
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NASA is planning to repair NICER (Neutron star Interior Composition Explorer), an X-ray telescope on the International Space Station, during a spacewalk later this year. It will be the fourth science observatory in orbit ...
Astronomy
Apr 17, 2024
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Engineers at L3Harris Technologies in Rochester, New York, have combined all 10 mirrors for NASA's Nancy Grace Roman Space Telescope. Preliminary tests show the newly aligned optics, collectively called the IOA (Imaging Optics ...
Astronomy
Apr 17, 2024
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When faraway stars explode, they send out flashes of energy called gamma-ray bursts that are bright enough that telescopes back on Earth can detect them. Studying these pulses, which can also come from mergers of some exotic ...
Astronomy
Apr 16, 2024
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In 2013, the Hubble Space Telescope spotted water vapor on Jupiter's moon Europa. The vapor was evidence of plumes similar to the ones on Saturn's moon Enceladus. That, and other compelling evidence, showed that the moon ...
Planetary Sciences
Apr 10, 2024
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The total solar eclipse across North America on April 8, 2024, is a stunning and memorable event for everyone in its path. However, eclipses are not just valued for their visual impact, they are at the heart of cutting-edge ...
Astronomy
Apr 9, 2024
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As the infrared space telescope continues its long-duration survey of the universe, it is creating a unique resource for future astronomers to make new discoveries.
Astronomy
Apr 5, 2024
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During night-like conditions created during the totality of a solar eclipse, like that of April 8, planets and stars are visible. Venus and Jupiter, bracketing the sun, will be very noticeable, while Mercury will be rather ...
Astronomy
Apr 3, 2024
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