Stories by Kelso Harper

A new blood test for cancer, helpful cat parasites, and a new kind of wood in this week's news roundup.

Archaeoastronomers piece together how people understood the heavens thousands of years ago.

A group on the islands of Penghu is restoring ancient fishing weirs, hoping to preserve the sustainable fishing practice and attract ecotourism.

The Seine will be the stage for the Paris 2024 Olympics’ Opening Ceremony—and for its marathon swimming events. But this urban waterway is challenging to keep clean.

Belief in witchcraft and sorcery is deeply rooted in Papua New Guinea's culture and history, but it can lead to violence, particularly against women. Local public health experts are working to end this violence through education.

To unravel the effects of melting sea ice, researchers drill the frozen waters around Antarctica and receive a surprise visit from a group of penguins.

Sweltering heat in Greece, ozone-damaging chemicals on the decline and an investigation of what space does to our body are all in this week’s news roundup.

The Hubble Space Telescope’s woes, moon rocks and antibiotic candidates discovered with AI are all in this week’s news roundup.

Vaccine misinformation on social media, smartphone addiction in teens, and more are discussed in this week’s news roundup.

A rare geomagnetic storm lit up skies, eerie AI demonstrations and a cautionary word about raw milk.

Kate Russo has seen 13 total solar eclipses, and even she isn't ready for this one.

A team of researchers has an ambitious plan to capture the 2024 total solar eclipse like never before.

We asked a professional astro photographer and eclipse chaser how to take the best photographs and videos of a total solar eclipse.

How artist and astrophysicist Nia Imara makes 3-D prints of the birth of stars

Scientific American’s TikTok delivers piping-hot science in bite-sized videos

Advanced sensors and artificial intelligence could have us at the brink of interspecies communication

A Stanford researcher is growing crystals on the International Space Station and electronics to withstand the extreme environments of Venus.

Four decades into his activism, Robert Bullard looks back on his legacy and the work ahead.

U.S. Poet Laureate Ada Limón discusses her involvement in NASA’s Europa Clipper mission and the inspiration behind her poem, which will travel onboard the spacecraft.

The new field of digital bioacoustics is using machine learning to try decipher animal speak, including honeybee toots and quacks and whoops.

From North America to South Asia, summer heat waves are becoming longer, stronger and more frequent with climate change.

Humans are building meaningful relationships with AI chatbots. What will the consequences be?

The Jupiter Icy Moons Explorer (JUICE) and Europa Clipper missions will search for signs of habitability on three of Jupiter’s potentially ocean-bearing moons.

The AI GPT-4 has emergent abilities—but that’s not why it’s scary.