Our galaxy has collided with many others in its lifetime. ESA's Gaia space telescope now reveals that the most recent of these crashes took place billions of years later than we thought.
Astronomy
Jun 6, 2024
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There are plenty of problems that spacecraft designers have to consider. Getting smacked in the sensitive parts by a rock is just one of them, but it is a very important one.
Space Exploration
Jun 5, 2024
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Radio telescopes have an advantage over optical telescopes, in that radio telescopes can be used even in cloudy conditions here on Earth. That's because the longer wavelengths of radio waves can pass through clouds unhindered.
Astronomy
Jun 5, 2024
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The venerable Hubble Space Telescope, which has revolutionized astronomical discovery since its launch in 1990, will ease into retirement with a scaled-back observing schedule, NASA officials said Tuesday.
Astronomy
Jun 5, 2024
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As we discover more and more exoplanets—and the current total is in excess of 5,200—we continue to try to learn more about them. Astrobiologists busy themselves analyzing their atmospheres searching for anything that ...
Astrobiology
Jun 4, 2024
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Hubble has run into more trouble. The space telescope slipped into a hibernating state more than a week ago when one of its three remaining gyroscopes—part of the pointing system—malfunctioned. The same device had been ...
Astronomy
Jun 4, 2024
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Using the Five-Hundred-meter Aperture Spherical radio Telescope (FAST), astronomers from the Guizhou University in China and elsewhere have discovered eight new millisecond pulsars in the globular cluster NGC 6517. The finding ...
The James Webb Space Telescope has discovered what appears to be a new record-holder for the most distant known galaxy, a remarkably bright star system that existed just 290 million years after the Big Bang, NASA said Thursday.
Astronomy
Jun 1, 2024
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New images of Jupiter's volcano-studded moon Io, taken by the Large Binocular Telescope on Mount Graham in Arizona, offer the highest resolution of Io ever achieved with an Earth-based instrument. The observations were made ...
Planetary Sciences
May 31, 2024
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262
The James Webb Space Telescope observed the "starburst" galaxy NGC 4449, seen in this image released on May 29, 2024.
Astronomy
May 30, 2024
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