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E.g., 07/16/2019
E.g., 07/16/2019
Your search has returned 556 images:
  • Noctilucent clouds
  • Buzz Aldrin on the moon
  • Lisa with moon rocks
Your search has returned 1849 articles:
  • Science Visualized

    Night-shining ‘noctilucent’ clouds have crept south this summer

    High in the sky, sunlit wisps remain aglow even after sundown. This summer, a surprising number of such noctilucent, or “night-shining,” clouds have been spotted in the Northern Hemisphere — and, unusually, as far south as Oklahoma and New Mexico, scientists report.

    These clouds typically float in the mesosphere about 80 kilometers above Earth’s surface, and are visible at high latitudes...

    07/16/2019 - 10:00 Earth, Climate, Planetary Science
  • Feature

    Accolades, skepticism and science marked Science News’ coverage of Apollo

    To cover humankind’s first steps on the moon, Science News needed a backup plan.

    “We didn’t know what kind of pictures we’d get, when we would get them, who we would get them from,” says Kendrick Frazier, who joined Science News as a writer just two months before Apollo 11 touched down on lunar soil. So the staff took pictures of their home television screens during the July 20, 1969...

    07/16/2019 - 06:00 Planetary Science, History of Science, Science & Society
  • Feature

    How NASA has kept Apollo moon rocks safe from contamination for 50 years

    I’m not allowed to touch the moon rocks.

    In the room where NASA stores the samples that Apollo astronauts brought to Earth decades ago, I peer at rocks and trays of dirt through glass. But my tour guides are firm: Nobody touches the moon rocks.

    This is the pristine sample lab at NASA’s Johnson Space Center in Houston. Being here is a big deal for me. I’ve spent years looking at...

    07/15/2019 - 07:00 Planetary Science, Astronomy
  • Feature

    Apollo astronauts left trash, mementos and experiments on the moon

    Once on the moon, Apollo astronauts had two major goals: get themselves and the moon rocks home safe.

    To make space on the cramped lunar modules for the hundreds of kilograms of moon samples, the astronauts had to go full Marie Kondo. Anything that wasn’t essential for the ride home got tossed: cameras, hammocks, boots and trash. Downsizing also meant abandoning big stuff, like moon...

    07/15/2019 - 06:06 Planetary Science, History of Science
  • Reviews & Previews

    Celebrate the moon landing anniversary with books that go beyond the small step

    Astronomy lovers are not the only ones excited about the 50th anniversary of the moon landing. Publishers are also taking note, serving up a pile of books to mark the occasion.

    Are you looking for a general overview of the birth of the U.S. space program? Would you rather geek out on the technical details of the Apollo missions? How about flipping through a collection of photographs from...

    07/14/2019 - 06:00 Planetary Science, History of Science
  • News

    Hayabusa2 may have just snagged bits of asteroid Ryugu’s insides

    The Hayabusa2 spacecraft has made its second and final attempt to grab a pinch of dust from asteroid Ryugu. At about 9:06 p.m. EDT on July 10, the Japanese spacecraft briefly touched down near an artificial crater it had previously blasted into the 4.5-billion-year-old asteroid’s surface. If the dust grab went well, it’s the first spacecraft to ever collect a sample from an asteroid’s insides...

    07/11/2019 - 10:38 Planetary Science
  • Science Visualized

    See how visualizations of the moon have changed over time

    Look up at the moon and you’ll see roughly the same patterns of light and shadow that Plato saw about 2,500 years ago. But humankind’s understanding of Earth’s nearest neighbor has changed considerably since then, and so have the ways that scientists and others have visualized the moon.

    To celebrate the 50th anniversary of the Apollo 11 moon landing, here are a collection of images that...

    07/10/2019 - 06:00 Planetary Science, Science & Society, Technology
  • Essay

    Ancient humans used the moon as a calendar in the sky

    The sun’s rhythm may have set the pace of each day, but when early humans needed a way to keep time beyond a single day and night, they looked to a second light in the sky. The moon was one of humankind’s first timepieces long before the first written language, before the earliest organized cities and well before structured religions. The moon’s face changes nightly and with the regularity of...

    07/09/2019 - 08:00 Anthropology, Archaeology, Planetary Science
  • Letters to the Editor

    Readers wanted to know about asteroids, lithium batteries and more

    Heat keepers

    Long ago, molten iron could have erupted from metal asteroids in a process scientists refer to as ferrovolcanism, Lisa Grossman reported in “Metal asteroids may have once had iron-spewing volcanoes (SN: 5/11/19 & 5/25/19, p. 5). 

    “In the cold vastness of space, how long are these rocks expected to keep their thermal energy?” asked online reader Bronze Condor.

    ...

    07/06/2019 - 06:15 Planetary Science, Earth, Neuroscience
  • News in Brief

    With Dragonfly, NASA is heading back to Saturn’s moon Titan

    Fifty years after Apollo 11, NASA is gearing up for a whole new kind of moonshot. The agency’s next solar system exploration mission will send a drone-like rotorcraft to Saturn’s largest moon, Titan, NASA announced June 27 in a news teleconference.

    “Titan is unlike any other place in our solar system, and the most comparable to early Earth,” NASA Administrator Jim Bridenstine said at the...

    06/27/2019 - 18:16 Planetary Science