Their new study shows that Earth’s massive drop in temperature after the dinosaurs went extinct could have been caused by a large drop in calcium levels in the ocean. The study showed that the ...

NASA’s Artemis 2 crew was moved into quarantine on Friday to ensure their health and safety in the days leading up to the much-anticipated launch. For the first time in over 50 years, NASA is ...

Life is resilient. The first living things on Earth appeared as far back as 4 billion years ago, according to some scientists. At the time, our planet was still being pummeled by huge space rocks. But ...

The longer nights of August beckon with several treats this month. Saturn and Neptune undergo their second conjunction of the year, appearing together in a low-power telescope eyepiece. Telescopic ...

Many space-lovers know the phrase “We are all made of star stuff.” And it’s true — our planet formed from the dust cloud left over from the formation of our Sun, and from the planet, all life. That ...

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When archaeologists peered inside Tutankhamun’s tomb for the first time in the early 1920s, they found antechambers packed to the brim with thousands of artifacts: statues, furniture, jewelry, clothes ...

The world’s best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each issue includes expert science reporting, vivid color ...

1I/2017 U1 (‘Oumuamua) was discovered in October 2017; shortly after, it was determined to be the first object ever seen inside the solar system that had come from beyond it. But by the time its ...

Russell W. Porter had a fascination with telescope-making that proved contagious: When he moved to Springfield, Vermont, in 1919, many townsfolk quickly became interested in his hobby, prompting ...

Karen Meech doesn’t spend a lot of time digging through Earth’s rocks. An astronomer by trade, she is usually behind the telescope, investigating comets and looking for hints about how Earth got its ...

In the late 1970s, Vera Rubin and Kent Ford of the Carnegie Institution of Washington stared, confused, at the punch-card readouts from their observations of the Andromeda Galaxy. The vast spiral ...