Swapna Krishna is a journalist based in Philadelphia, Pennsylvania.
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11:44
The Engineering Behind Why The Bridge In Baltimore Collapsed
We look into the engineering reasons why the Francis Scott Key bridge collapsed after a ship crashed into it.
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11:43
An Exoplanet Where It Rains Sand
Astronomers are calling the exoplanet “fluffy.” Plus, an update on a possible volcanic eruption in Iceland.
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5:02
In Wyoming’s Mountain Lakes, Stocked Trout Are Evolving Quickly
Humans have long stocked alpine lakes with fish for anglers, but research shows some rapidly evolving trout are altering aquatic ecosystems.
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17:30
Unlocking The Mysteries Of A Metal-Rich Asteroid
NASA’s Psyche spacecraft is on a six-year voyage to an asteroid largely made of metal. It may help us understand how planets form.
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16:56
Finding Meaning In The Cosmos
In her new memoir, astrobiologist Dr. Aomawa Shields describes how a quest for life in the cosmos helped her find meaning on Earth.
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12:04
A Week Of Climate Protests, Meetings, Pledges, And Action
2023’s Climate Week NYC witnessed hundreds of events, protests, and pledges from world leaders at the UN General Assembly meeting.
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11:45
No, The Gulf Stream Is Not Collapsing
A separate set of currents, called the Atlantic meridional overturning circulation (AMOC), is weakening.
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10:20
NASA Announces Artemis II Crew For Next Moon Mission
Astronauts for the next lunar mission have been chosen, including the first woman and first person of color.