All Science
First LookISS rehab: How do you change a lithium-ion battery in space?Two astronauts took a risky spacewalk Friday as the part of a long-term effort to upgrade the batteries on the International Space Station's power grid.
First LookWhen did tomatillos start wearing papery jackets?Scientists' new discovery of fossils in 52 million-year-old Patagonian rock shows that the ancestors of many common foods were already around when the Gondwana supercontinent was breaking up.
First LookAstronomers find mega black hole 'garden' with deepest X-ray image ever takenThe Chandra X-Ray Observatory tuned its sensors to information from the early days of the universe, and found a cluster of black holes growing in spurts.
The secret of Pluto's ridges? Ice blades.Rare ice spikes known as penitentes make up unexplained features on Pluto, say researchers.
First LookScientists pinpoint source of mysterious space signals. But what are they?Fast Radio Bursts, or FRBs, have been detected since 2007 but they're really hard to spot. A recent study of the only known repeating FRB has pinned down its origin: a dwarf galaxy 3 billion light years away.
First LookNASA's newest mission to explore mysterious asteroidsWhat will these small space rocks tell us about the origins of our solar system?
What really happened during the supposed climate change 'hiatus'?Researchers have independently replicated NOAA's recalibration of sea surface temperature data to uncover what really happened from 1998 to 2012.
First LookComet watch: Look for the first comet of 2017 this weekC/2016 U1 NEOWISE, at its brightest the first week of 2017, should be visible with a good pair of binoculars.
First LookWhy is chief NASA scientist, Ellen Stofan, stepping down?NASA announced Ellen Stofan's resignation in a blog post, but hasn't named a successor for the top science job in the agency.
First LookNASA approves a new mission to study mysteries of black holesA mission slated for 2020 might reveal more about a hard-to-study phenomenon.
- First LookWhat NASA's latest stunning video tells us
A NASA astronaut Jeff Williams released a five-minute video of aerial Earth views, hoping to bring viewers an appreciation for the planet's exceptional features.
First LookBass-note bumps: NASA to resume vibration tests on James Webb telescopeThe super-advanced telescope experienced a delay after unexpected readings were taken during a vibration test in December.
First LookGranny – world's oldest killer whale – swam the seas for more than 100 yearsStudied by scientists for decades, Granny – who is now missing and presumed dead – was estimated to be 105 years old.
First LookFour months after Falcon 9 explosion, SpaceX to resume flights Jan. 8SpaceX says it now knows what caused the explosion of one of its Falcon 9 rockets last fall, and is ready to resume space flights.
First LookQuadrantid meteor shower dazzles with 80 meteors per hourThis year's Quadrantid meteor shower lasts from Dec. 28, 2016 to January 12, 2017.
First LookHow long does it take to hatch a baby dinosaur egg? Too long, say scientists.New research suggests that dinosaur eggs were unusually slow to hatch – 3 to 6 months – which may have been a factor leading to their extinction.
First LookLanguage barriers still burden science, new study suggestsToday, almost every major scientific journal publishes in English. Are non-English reports falling through the cracks?
First LookNASA plan for housing astronauts on Mars borrows from EskimosNASA's latest plan: 'Mars Ice Home' could be the key to providing astronauts with a place to stay for months on end while living on the Red Planet.
First LookHow to catch a New Year's Eve cometCrowds and fireworks not your thing? Grab binoculars and head for the hills to catch a glimpse of a New Year's Eve comet. Comet 45P/Honda-Mrkos-Pajdušáková passed near the moon Saturday night.
Why NASA officials refuse to panic ahead of Trump transitionFears over the incoming Trump administration's plans to cut NASA's earth science programs are based on rumor and 'noise,' says the agency's top science official.
