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One year ago, on Christmas Day, the James Webb Space Telescope was launched. Since it began collecting data, it has captured - in stunning detail - previously unobservable stars, planets and galaxies.
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Harvard astronomer Avi Loeb thinks alien technology could be on the ocean floor. And if he finds anything with buttons on it, he would very much like to press those buttons.
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Supermoons in general appear 17% bigger and 30% brighter than when the moon is at its farthest point away from Earth, according to NASA.
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Software developer John Christensen coded an app to show you just how far NASA innovation has come since Hubble.
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Scientists have not been able to pinpoint the exact location of the radio waves yet.
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"We finally have the first look at our Milky Way black hole, Sagittarius A*," an international team of astrophysicists and researchers from the Event Horizon Telescope team said.
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These so-called exoplanets include rocky worlds similar in size to Earth, gas giants larger than Jupiter and even "mini-Neptunes."
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Building and operating telescopes can generate a lot of greenhouse gases. In fact, it's as if each astronomer in the world was driving more than 100,000 miles per year, a new study finds.
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Picture perfect: Mission managers say the telescope's mirror segments have been aligned and have focused on single stars, a critical milestone, and the telescope is working flawlessly.
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The comet was discovered less than a year ago near the orbit of Jupiter. Now, observers in North America can see it in the northeastern sky around sunrise.
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NASA's TESS telescope finds a small, iron-rich planet which could help explain the origins of Mercury, the innermost planet in our solar system
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The "Super Flower Blood Moon" is happening early Wednesday morning, as a supermoon coincides with a full lunar eclipse. Here's how to see it.