New simulations connect the first stars to cosmic fingerprints still visible today

Researchers have used some of the most detailed simulations yet of the early universe to investigate how the first stars and galaxies formed. Led by researchers at the University of Bath in the U.K., alongside collaborators at the University of Chicago in the U.S. and the Institut d’Astrophysique de Paris in France, the MEGATRON project […]

Alien life? Why the possibility of exoplanet LHS 1140b emitting helium gas is so exciting

This summer, exoplanet science—the study of planets orbiting stars beyond our sun—took a big step forward. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet from the pages of scientific journals into the mainstream media.

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Under the Microscope: NASA-made material for moon manufacturing

Photos taken using a microscope reveal the colorful, kaleidoscope-like crystal structure of a new NASA-made material that could be used for manufacturing during future space missions. Developed at NASA’s Glenn Research Center in Cleveland, the material could be created directly on the moon or Mars, allowing NASA to pack fewer supplies—saving weight and reducing launch […]

Suns set on hunt for giant planets in nearby binary system

New research led by the University of Michigan is helping set the stage for future observatories to characterize rocky planets outside our solar system, planets that could prove life isn’t confined to Earth. The new research represents the most sensitive modern search for giant planets in a nearby binary system—a system with two stars orbiting […]

SpaceX’s Starship rocket does its job during first orbital flight

SpaceX sent its Starship super-rocket on its first orbital flight—a shorter-than-planned test mission that put operational Starlink satellites into orbit for the first time.

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How ocean chemistry helped life keep breathing

Scientists have helped solve a longstanding mystery about how Earth remained habitable after oxygen first accumulated in its atmosphere more than 2 billion years ago, providing evidence that ancient ocean chemistry sustained life-friendly conditions.

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NASA announces new missions for Boeing Starliner spacecraft

NASA announced Monday that it is planning new missions using Boeing’s Starliner spacecraft, the first since a troubled test flight left two astronauts stranded at the International Space Station for months.

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NASA highlights lessons learned from Swift boost mission

A commercial mission to boost NASA’s Neil Gehrels Swift Observatory ended without raising the spacecraft’s orbit, but the agency and Katalyst Space gained experience that will benefit future in-space servicing programs.

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NASA ramps up support to get Boeing’s astronaut capsule flying after Butch and Suni fiasco

NASA is throwing extra support and money behind Boeing’s troubled astronaut capsule to get it fixed and flying again as soon as possible.

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How NASA’s Nancy Grace Roman Space Telescope will open a window into the Milky Way

Look up at the night sky with the naked eye and it may seem like it rarely changes. Yet the universe is in constant flux. Stars drift through space, orbiting the center of the Milky Way as planets orbit them. They rotate, showing spots on their surfaces and sometimes producing violent outbursts that affect planetary […]

Diving into an out-of-sync galaxy

Galaxies are like snowflakes: No two are exactly alike, even the spirals. The Hubble Space Telescope took a close look at the distant spiral NGC 4693 and found intriguing hints about its past. For one thing, this member of the Virgo Cluster seems to have a central region that’s rotating out of sync with its […]

Hydrogen’s distant glow opens new way to investigate dark energy

The Canadian Hydrogen Intensity Mapping Experiment (CHIME) has shown for the first time that it can detect the faint glow of hydrogen gas from deep in the universe’s past using only its own data.

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Meteor hit Oklahoma 100 million years later than previously thought

Researchers at The University of Texas at Austin have rewritten a small part of Oklahoma’s geologic history with global implications for ancient life. Below the surface of the small town of Ames, Oklahoma, a meteor impact site spans miles. The crater is buried by sedimentary strata in the subsurface, but it remains an important marker […]

Testing tiny telescope robots reveals design changes that could improve galaxy maps

Astronomers have cataloged billions of stars and hundreds of billions of galaxies. We have found thousands of planets orbiting stars. We can also map where galaxies sit and trace how the universe changes over time.

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Scientists find lunar ‘magnetic fossil’ in Chang’e-6 samples

The moon no longer has a global magnetic field, but lunar rocks and soils still contain records of ancient magnetism. Studying the magnetic minerals in these samples can help scientists understand how the moon’s magnetic field evolved over time.

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