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Evolution 56 minutes ago

Bioluminescence first evolved in animals at least 540 million years ago, pushing back previous oldest dated example

Bioluminescence first evolved in animals at least 540 million years ago in a group of marine invertebrates called octocorals, according to the results of a new study from scientists with the Smithsonian's National Museum ...

Astronomy 4 hours ago

Hubble celebrates 34th anniversary with a look at the little dumbbell nebula

In celebration of the 34th anniversary of the launch of NASA's legendary Hubble Space Telescope on April 24, astronomers took a snapshot of the Little Dumbbell Nebula (also known as Messier 76, M76, or NGC 650/651) located ...

Environment 4 hours ago

Talks on global plastic treaty begin in Canada

Negotiators from 175 nations began talks Tuesday to agree a global treaty to reduce plastic pollution, which is found everywhere from mountain tops to ocean depths, and within human blood and breast milk.

Astrobiology 7 hours ago

Will we know if TRAPPIST-1e has life?

The search for extrasolar planets is currently undergoing a seismic shift. With the deployment of the Kepler Space Telescope and the Transiting Exoplanet Survey Satellite (TESS), scientists discovered thousands of exoplanets, ...

Environment 7 hours ago

Beyond higher temperatures: Preparing for national security risks posed by climate change

When talk turns to climate change, certain images pop to mind—maybe polar bears on ever-shrinking ice floes, coral reefs drained of color, or more powerful hurricanes hitting the coast.

Space Exploration 8 hours ago

NASA to overhaul mission returning samples from Mars—here's why it must and will go ahead

NASA recently announced that it is seeking new ways to complete the return to Earth of rock cores drilled by the Perseverance Rover in the Jezero Crater on Mars. This has led to some anxiety among space scientists, who view ...

Environment 8 hours ago

Ecosystems are deeply interconnected—environmental research, policy and management should be too

Why are we crossing ecological boundaries that affect Earth's fundamental life-supporting capacity? Is it because we don't have enough information about how ecosystems respond to change? Or are we unable, even unwilling, ...

Environment 11 hours ago

State's new law involving Puget Sound Energy aspires to set a course for the future

Over the past couple of years, Washington lawmakers have wrestled with a daunting task.

Astronomy 11 hours ago

New evidence found for Planet 9

A small team of planetary scientists from the California Institute of Technology, Université Côte d'Azur and Southwest Research Institute reports possible new evidence of Planet 9. They have published their paper on the ...

Astronomy 12 hours ago

Researchers detect a new molecule in space

New research from the group of MIT Professor Brett McGuire has revealed the presence of a previously unknown molecule in space. The team's open-access paper, "Rotational Spectrum and First Interstellar Detection of 2-Methoxyethanol ...

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