Nov 22 This asteroid is our solar system's first known 'alien' visitor By Rashmi Shivni A cigar-shaped asteroid named ‘Oumuamua is our solar system's first interstellar visitor -- that we know of. Continue reading
Nov 09 When scared, the crested pigeon screams with its flapping feathers By Rashmi Shivni The crested pigeon's mere act of taking frantic flight is enough to alert its flock of looming danger. Continue reading
Nov 08 Watch 8:51 Can Cuba preserve ecosystems while profiting from tourism? By Miles O'Brien As Cuba tries to open up its economy and lure western investment through tourism, environmentalists are working to prove that protection of the environment can also be a profitable pursuit. By developing the island's ecotourism, scientists hope to stimulate the… Continue watching
Nov 07 A 2-million-year-old 'supergene' helps these butterflies mimic their poisonous cousins By Rashmi Shivni, Teresa Carey When it comes to survival of the fittest, female swallowtail butterflies are masters of disguise. Here's why. Continue reading
Nov 01 100 years of Mount Wilson's 100-inch telescope, the first to discover the universe By Rashmi Shivni Happy 100th birthday to the 100-inch telescope, best known for being the first to see beyond our Milky Way galaxy. That’s right, it spotted the universe!… Continue reading
Oct 28 NASA Twins Study spots thousands of genes toggling on and off in Scott Kelly By Rashmi Shivni When astronaut Scott Kelly returned to Earth after a year floating about the International Space Station, he was noticeably different from his identical twin, Mark Kelly. Continue reading
Oct 25 Watch 7:50 Why Cuba is home to a bounty of rare species By Miles O'Brien Replete with rare and endangered species, Cuba is a crown jewel of biodiversity in the Caribbean. Science correspondent Miles O'Brien reports on the ways scientists and conservationists are working to survey and protect the island’s rich, and sometimes unique, wildlife… Continue watching
Oct 25 Fact or fiction: Do redheads feel more pain? By Julia Griffin, Nsikan Akpan Redheads are rumored feel more pain and need more painkillers than their blonde and brown-haired cousins, but the science itself is murky. Continue reading
Oct 18 This Japanese 'hidden figure' enlightened the world with her sunspot sketches By Rashmi Shivni Hisako Koyama's lifelong passion for the glimmering sky and her meticulous sunspot drawings shaped the modern field of space weather. Continue reading
Oct 16 Neutron star collision offers new source of gravitational waves By Rashmi Shivni Astronomers have discovered a collision of neutron stars that released both a stream of gravitational waves and a flash of light, backing one of Einstein's theories. Continue reading