NASA Says No Plan to Use SpaceX to Rescue Boeing Starliner Astronauts
In a news conference from aboard the International Space Station, Butch Wilmore and Suni Williams said they had confidence in the troubled spacecraft to get them home.
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In a news conference from aboard the International Space Station, Butch Wilmore and Suni Williams said they had confidence in the troubled spacecraft to get them home.
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Ariane 6 reached orbit on Tuesday. But a problem made the European Space Agency rocket deviate from its flight plan late in the mission.
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A New York Times investigation found that Elon Musk exploited federal agencies’ competing missions to achieve his goals for space travel.
By Eric Lipton and
Satellite signals run the modern world. See just how vulnerable they are.
By Selam Gebrekidan, K.K. Rebecca Lai, Pablo Robles and
Debris Found in North Carolina Came From SpaceX Dragon, NASA Says
An object found on a hiking trail west of Asheville, N.C., had traveled to the International Space Station, the space agency said.
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Chinese Rocket Accidentally Launches During Test, Then Crashes
The commercial company Space Pioneer said the accident occurred because of a structural failure in the connection between the rocket and its testing platform.
By Yan Zhuang and
A Dead Russian Satellite Broke Into More Than 100 Pieces in Space
The cause of the incident, which added to a growing amount of dangerous space junk in low Earth orbit, remains unknown.
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He Monitors Solar Flares. Here’s What Keeps Him Up at Night.
Mike Bettwy, a government meteorologist who focuses on potential threats from space weather, says that we are more prepared than ever — and that forecasting is only getting better.
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China Becomes First Country to Retrieve Rocks From the Moon’s Far Side
The Chang’e-6 mission’s sample, which might hold clues about the origins of the moon and Earth, is the latest achievement of China’s lunar exploration program.
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A Global Push Fixed the Ozone Hole. Satellites Could Threaten It.
A sharp increase in hardware orbiting Earth could mean more harmful metals lingering in the atmosphere, according to a new study.
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Mars Got Cooked by a Recent Solar Storm
Days after light shows filled Earth’s skies with wonder, the red planet was hit by another powerful outburst of the sun.
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Voyager 1, After Major Malfunction, Is Back From the Brink, NASA Says
The farthest man-made object in space had been feared lost forever after a computer problem in November effectively rendered the 46-year-old probe useless.
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3 Days in Space Were Enough to Change 4 Astronauts’ Bodies and Minds
An extensive examination of medical data gathered from the private Inspiration4 mission in 2021 revealed temporary cognitive declines and genetic changes in the crew.
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Sync Your Calendar With the Solar System
Never miss an eclipse, a meteor shower, a rocket launch or any other astronomical and space event that’s out of this world.
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Highlights From the Total Solar Eclipse’s Dark Path Through the U.S., Mexico and Canada
People all over North America spent the afternoon awed by the movement of the moon’s shadow, the last time it will pass through so much of the continent until the 2040s.
The Eclipse Across North America
What people in the path of totality were seeing and saying as the eclipse unfolded across the continent.
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See the Total Solar Eclipse’s Shadow From Space
An American weather satellite is capturing the movement of the moon’s shadow across North America during the total eclipse of the sun on Monday.
By K.K. Rebecca Lai and
Fjords, Pharaohs or Koalas? Time to Plan for Your Next Eclipse.
If you can’t get enough of totality, or missed out this time, you’ll have three more chances in the next four years in destinations like Iceland, Spain, Egypt and Australia.
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Did You Really Need to Be There to See the Eclipse?
For much of the 20th century, Rochester, N.Y., was the “imaging capital of the world.” For three and a half minutes on Monday, it was living up to its old nickname.
By Christopher Valentine and
The Magnetic Heart of the Milky Way
A new map of the center of the Milky Way galaxy reveals details of its magnetic fields
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A Tantalizing ‘Hint’ That Astronomers Got Dark Energy All Wrong
Scientists may have discovered a major flaw in their understanding of that mysterious cosmic force. That could be good news for the fate of the universe.
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A Lifetime Under the Moon’s Shadow
The late Jay Pasachoff inspired generations of students to become astronomers by dragging them to the ends of the Earth for a few precarious moments of ecstasy.
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Cosmic Forecast: Blurry With a Chance of Orbital Chaos
Astronomers have gotten better at tracking the motions of stars just beyond the solar system. But that’s made it harder to predict Earth’s future and reconstruct its past.
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In books and articles he wrote about the militarization of space and believed that investing in exploration would ultimately “protect Earth and guarantee the survival of humanity.”
By Sam Roberts
The European Space Agency launched the Ariane 6 from French Guiana.
By Reuters
Using ground-based radars, he pioneered measurement techniques that scientists now use to chart geographical changes on Earth.
By Michael S. Rosenwald
The development of Elon Musk’s facility in South Texas did not play out as local officials were originally told it would.
By Eric Lipton
Scientists used techniques from the field of gravitational wave astronomy to argue that the Antikythera mechanism contained a lunar calendar.
By Becky Ferreira
Our planet whirls around the sun in an ellipse, rather than a circle. On Friday the planet reached its farthest point from its star, known as aphelion.
By Katrina Miller
Butch Wilmore and Suni Williams will spend additional weeks in orbit as teams on the ground study malfunctioning thrusters on the Starliner spacecraft.
By Kenneth Chang
The smaller of the pair was spotted only this month and could be visible with binoculars as it passes by our planet within the distance to the moon.
By Robin George Andrews
It was the second scheduled spacewalk by NASA astronauts aboard the space station that faced an interruption this month.
By Kenneth Chang
An Austrian forest ranger picked up the rock in 1976. Decades later, scientists discovered the object’s origin story while digging through old photos.
By Katherine Kornei
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