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Tag: Planets

World

Hints of Life on Exoplanet K2-18b Recede Even Further

July 24, 2025July 24, 2025CARL ZIMMERComments Off on Hints of Life on Exoplanet K2-18b Recede Even Further

New observations fail to confirm signs of life in the atmosphere of the distant planet K2-18b. They also raise questions about what it will take to detect biology light-years away.

World

Hints of Life on Exoplanet K2-18b Recede Even Further

July 24, 2025CARL ZIMMERComments Off on Hints of Life on Exoplanet K2-18b Recede Even Further

New observations fail to confirm signs of life in the atmosphere of the distant planet K2-18b. They also raise questions about what it will take to detect biology light-years away.

World

New Studies Dismiss Signs of Life on Distant Planet

May 23, 2025May 23, 2025CARL ZIMMERComments Off on New Studies Dismiss Signs of Life on Distant Planet

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent analyses discount the evidence.

World

Astronomers Detect a Signature of Life on a Distant Planet

April 16, 2025April 18, 2025CARL ZIMMERComments Off on Astronomers Detect a Signature of Life on a Distant Planet

Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even habitable.

World

A Parade of Planets Is Marching Through the Night Sky

February 24, 2025Katrina MillerComments Off on A Parade of Planets Is Marching Through the Night Sky

With Mercury joining the show, all seven of Earth’s celestial neighbors will be present at dusk this week.

World

Barnard’s Star Finally Has a Planet, and Possibly More

November 17, 2024DENNIS OVERBYEComments Off on Barnard’s Star Finally Has a Planet, and Possibly More

For a century, exoplanet hunters have “discovered” planets around a nearby star, only to retract the claims. But the latest find is for real.

World

NASA Sends a Missy Elliott Song to Space

July 16, 2024July 16, 2024MIKE IVESComments Off on NASA Sends a Missy Elliott Song to Space

NASA sent the song “The Rain (Supa Dupa Fly)” from a radio dish in California last week. It took 14 minutes to travel the 158 million miles.

World

As Stellar Observations Improve, Earth’s History and Future Get Fuzzier

March 25, 2024March 26, 2024DENNIS OVERBYEComments Off on As Stellar Observations Improve, Earth’s History and Future Get Fuzzier

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.

World

As Stellar Observations Improve, Earth’s History and Future Get Fuzzier

March 25, 2024DENNIS OVERBYEComments Off on As Stellar Observations Improve, Earth’s History and Future Get Fuzzier

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.

World

A Space Rock Fell Into Sweden. Who Owns It on Earth?

March 22, 2024March 22, 2024CHRISTINA ANDERSONComments Off on A Space Rock Fell Into Sweden. Who Owns It on Earth?

Sweden’s courts have been debating claims to a meteorite that fell north of Stockholm, including whether the right to move around in nature, including on private property, extends to claiming a meteorite.

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