All Stories
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FossilsFossil stomach reveals a dinosaur’s last meal
A rare fossilized stomach reveals a dino’s dining preferences. It also provides clues to the ecosystem in which the reptile lived.
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Health & MedicineMillions of likely U.S. COVID-19 cases have gone undiagnosed
Over just three weeks in March, some 8.7 million people in the United States may have contracted COVID-19. That far surpasses the official tally.
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SpaceDeveloping planet emerges in a swirl of gas
Images of a young star 520 light-years away show a spiral of gas and dust swirling around it. A twist inside the spiral appears to be a planet forming.
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TechScientists Say: GPS
A GPS system relies on satellites orbiting the planet, constantly sending signals back to receivers on Earth.
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AnimalsBumblebees may bite leaves to spur plant blooming
In a pollen shortage, some bees nick holes in tomato leaves. This can speed up flowering and pollen production by weeks.
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AnimalsLet’s learn about bioluminescence
Some animals, bacteria and algae produce their own light. This bioluminescence can attract mates or protect from predators.
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SpaceOldest disk galaxy puts a new spin on galaxy growth
A spinning disk galaxy has been found in the early universe. Its existence is a surprise.
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ChemistryWorking up a sweat may one day power up a device
Tech that turns sweat into power may make for greener gadgets. A new device uses perspiration to charge a supercapacitor and run a sensor.
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ChemistryScientists Say: Polymer
Polymers can be natural or man-made, but they are all big molecules made up of smaller units linked together.
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TechWiggly wheels might help rovers plow through loose lunar soils
New design lets wheels ascend hills too steep for regular robots and paddle through loose soils without getting stuck.