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Mankind has always wondered if we’re alone in the universe. Now, a Mars rover has found what looks like signs of life in the distant past on that planet. We’ll explore that possibility and learn more about what scientists are doing as they search for other signs in a conversation with astrophysicist Neil deGrasse Tyson.
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Sotheby's in New York will be auctioning the largest piece of Mars ever found on Earth.
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Advisers to the Centers for Disease Control and Prevention recommended against flu shots containing the ingredient thimerosal. Why is the additive, safely used since the 1930s, being questioned again?
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The Vera C. Rubin Observatory has just released some of its first images. Its powerful new telescope will be able to quickly spot previously unseen astronomical objects.
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The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ancient armored fish.
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Fossils of the underwater predator shed new light on biodiversity from the Cambrian period.
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Monday's 11-minute flight featured the first all-female crew since 1963. Here's what else to know about it.
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The California biotech firm said in a statement that it is hoping to find a buyer to address its ongoing financial struggles.
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The "blood worm moon," so named for the reddish hue of its glow and the time of year it's occurring, will be visible in every U.S. state.
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The handcrafted tools found in Tanzania were made 1.5 million years ago and were fashioned primarily from the bones of elephants and hippopotamuses.