Sep 29 What mud cracks on Mars tell us about whether life could have formed on the planet By Bella Isaacs-Thomas Researchers believe the cracks experienced sustained wet-dry cycles, which may be key to creating conditions that could cultivate the building blocks of life. Continue reading
Sep 25 Watch 7:52 What scientists hope to learn from asteroid sample returned to Earth on NASA spacecraft By Miles O'Brien, Kate Tobin You may have heard about a NASA probe that successfully brought some samples from a deep-space asteroid back to Earth. It took four billion miles to get them, but researchers believe it will be worth it. You also may be… Continue watching
Sep 25 More research is examining how we carry the ‘genetic legacy’ of extinct human species By Laura Ungar, Maddie Burakoff, Associated Press Neanderthal genes have been linked with our immune systems and COVID-19 response, while Denisovan genes may help adapt to high altitudes. Continue reading
Sep 24 WATCH: NASA holds news conference after retrieval of capsule from OSIRIS-REx By Marcia Dunn, Associated Press In a flyby of Earth, the OSIRIS-REx spacecraft released the capsule containing NASA’s first asteroid samples from 63,000 miles out. The small capsule landed four hours later on a remote expanse of military land, as the mothership set off after another asteroid. Continue reading
Sep 23 How India’s rover findings of sulfur in lunar soil could pave the way for future moon bases By Jeffrey Gillis-Davis, The Conversation India's Chandrayaan-3 rover has found sulfur on the moon's surface at higher concentrations than previously seen. Sulfur in soils near the moon's poles might help astronauts live off the land one day. Continue reading
Sep 22 WATCH: NASA’s OSIRIS-REx mission returns an asteroid soil sample to Earth By Bella Isaacs-Thomas Experts say the rocks and dust the OSIRIS-REx spacecraft plucked from an asteroid named Bennu will fuel scientific research for generations. Continue reading
Sep 20 Watch 6:37 How light pollution is making it increasingly difficult to see the stars By Malcolm Brabant Astronomers around the world are calling for international agreements to limit the spread of satellite constellations in space, with warnings that light pollution at night from the satellites damages vital scientific work. In Britain, the government is also being urged… Continue watching
Sep 19 WATCH: Colombian leader delivers a bleak warning — that humanity is making itself extinct By David Biller, Associated Press Colombian President Gustavo Petro has delivered an ominous prophecy with grandiose language. He paints a grim picture of what lies ahead if nations fail to swiftly redesign life on this planet. Continue reading
Sep 17 Watch 6:36 How climate change is making fall foliage less colorful By John Yang, Lorna Baldwin, Harry Zahn Next Saturday, the autumn equinox will mark the beginning of fall in the Northern Hemisphere. For some, though, the real start of fall is when the leaves change color. But scientists say climate change is affecting both the timing and… Continue watching
Sep 14 WATCH: NASA report says more science and less stigma are needed to understand UFO sightings By Marcia Dunn, Associated Press An independent team commissioned by NASA cautions that the negative perception surrounding UFOs poses an obstacle to collecting data. Continue reading