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Science

Report: US bird population is declining

The U.S. bird population is declining at an alarming rate, according to a report published Thursday by an alliance of science and conservation groups. Habitat loss and climate change are among the key contributing factors to the bird population losses, according to the 2025 U.S. State of the Birds report. More than 100 of the species studied, have reached a "tipping point," losing more than half their populations in the last 50 years. The report revealed that the avian population in all habitats is declining, including the duck population, previously considered a triumph of conservation. "The

Pi Day counts on never-ending numerical sequence for March 14 celebrations

March 14 is Pi Day, an annual celebration of the mathematical constant of pi, representing the ratio of a circle's circumference to its diameter. The holiday is observed on March 14 or 3/14 because 3.14 are the first three digits of the infinite number pi — 3.14159 ... and on and on. The celebration of Pi Day was the brainchild of physicist Larry Shaw and was first observed in 1988 at San Francisco’s Exploratorium, a science museum, and has since grown into an international event. At that first simple salute to pi in 1988, Shaw and his wife, Catherine, took — guess what? — pies — and tea to th

NASA Watches Earth’s Weight, Finds Center of Mass

Seasonal changes redistribute enough water around Earth to shift the planet’s center of mass back and forth by fractions of an inch relative to its geometric center. NASA scientists are on the case, tracking the oscillations because Earth’s center of mass is a crucial reference point for satellite navigation and elevation measurements. A team, led […]

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NASA Celebrates Restoration of Guam Station Damaged by Typhoon Mawar

NASA celebrated the full restoration of its Guam Remote Station with a ribbon-cutting on Sept. 10, closing out more than three years of recovery after Super Typhoon Mawar devastated the site in 2023. Engineers from across the agency completed the final and most complex step of the rebuild on July 1, when they returned the […]

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NASA, SpaceX launch crew to space station to retrieve stuck astronauts

The replacement crew for the International Space Station was launched late Friday, paving the way for the return home of Butch Wilmore and Suni Williams, two NASA astronauts stuck on the space station for nine months. The SpaceX Falcon 9 rocket lifted off at 7:03 p.m. from NASA’s Kennedy Space Center in Florida carrying Crew-10 members: NASA’s Anne McClain and Nichole Ayers, Japan’s Takuya Onishi and Russia’s Kirill Peskov. The crew is part of a routine six-month rotation. Crew-10 and the Dragon spacecraft are expected to reach the space station around 11:30 p.m. Saturday. Returning to Earth a

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NASA’s Moon Orbiter Spots New, ‘Once-in-Century’ Moon Crater

It started as a routine data-quality check. But as Robert Wagner, a scientist with NASA’s Lunar Reconnaissance Orbiter (LRO), scanned a giant Moon map on his computer screen, an unusually large bright spot circled by a dark halo caught his eye, as it implied that surface material in that area had been shaken up. “I […]

Passion Meets Precision at NASA’s Flight Research Lab

Long before they helped shape NASA’s future aerospace breakthroughs, Derek Abramson, Justin Hall, and Justin Link were in their garages and homes building radio‑controlled aircraft, testing new ideas, and flying their creations at hobby events. That early passion now fuels the work of NASA’s Dale Reed Subscale Flight Research Laboratory at the agency’s Armstrong Flight […]

Summer Goes Out With a Heat Dome

Temperature records toppled across the central and southern U.S. as the autumnal equinox approached.

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APOD: 2026 September 17 – A Treasure Chest in the Carina Nebula

APOD Science APOD APOD: 2026 September 17 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. A Treasure […]

NASA Unveils Enterprise, the First Space Shuttle

Fifty years ago, on Sept. 17, 1976—Constitution Day of America’s bicentennial year—NASA unveiled its first space shuttle orbiter, OV-101, to the public. NASA had originally planned to name the vehicle Constitution, but a letter-writing campaign changed the agency’s plans. Nearly 100,000 fans of the Star Trek television series wrote the White House urging that the […]

NASA Invites Media to SpaceX’s 35th Resupply Launch to Space Station

Media accreditation is open for the next cargo launch that will deliver NASA science investigations, supplies, and equipment to the International Space Station. The 35th SpaceX commercial resupply services mission to the orbital laboratory for NASA will lift off on a Falcon 9 rocket. NASA and SpaceX are targeting no earlier than October to launch […]

NASA Awards Launch Services for StarBurst Gamma-Ray Detector

NASA has selected SpaceX to provide launch services for the agency’s StarBurst mission, a small satellite designed to investigate neutron star mergers and the origins of short gamma-ray bursts. StarBurst will launch aboard a Bandwagon rideshare mission on a Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida […]

APOD: 2026 September 18 – Messier 33: The Triangulum Galaxy

APOD Science APOD APOD: 2026 September 18 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Messier 33: The […]

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