Search results for Planet Nine

Plants & Animals Jan 9, 2024

Nine new snail species discovered in Papua New Guinea, a biodiversity hot spot at risk

Nine new species of carnivorous land snails have been found in the remote forests of Papua New Guinea, a biodiversity hot spot. A new study describes the species, which are so small that all nine could fit together on a U.S. ...

Ecology Jan 4, 2024

How industrial agriculture is disturbing the nitrogen cycle and undermining conditions for life on Earth

Six of our nine planetary boundaries have now been crossed—and industrial agriculture are the main culprit. That is what a team of scientists under Johan Rockström reported in an article published in September..

Astrobiology Dec 19, 2023

Astrophysicists publish Kepler Giant Planet Search, an aid to 'figure out where to find life'

A team of astrophysicists led by Lauren Weiss, assistant professor in the Department of Physics and Astronomy at the University of Notre Dame, created the first-ever catalog of small, Earth-like planets with Jupiter-like ...

Astronomy Dec 15, 2023

Discovery of two planetary systems around sun-like stars

A study published today (Dec. 15) in the journal Astronomy & Astrophysics reveals the discovery of two new planetary systems orbiting stars similar to our sun, also known as solar analogs.

Earth Sciences Dec 6, 2023

Deep within an inhospitable desert, a window to first life on Earth

CU Boulder geologist Brian Hynek has helped to document what may be a unique kind of ecosystem on Earth—and a possible window into the earliest stages of life on this planet 3.5 billion years ago, and even life on ancient ...

Earth Sciences Dec 6, 2023

Researchers: The climate change we caused is here for at least 50,000 years—and probably far longer

In February 2000, Paul Crutzen rose to speak at the International Geosphere-Biosphere Programme in Mexico. And when he spoke, people took notice. He was then one of the world's most cited scientists, a Nobel laureate working ...

Environment Dec 3, 2023

Earth is running a fever. And UN climate talks are focusing on the contagious effect on human health

With Planet Earth running a fever, U.N. climate talks focused Sunday on the contagious effects on human health.

Astronomy Dec 3, 2023

A six-planet solar system in perfect synchrony has been found in the Milky Way

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago.

Astronomy Dec 2, 2023

Massive planet too big for its own sun pushes astronomers to rethink exoplanet formation

Imagine you're a farmer searching for eggs in the chicken coop—but instead of a chicken egg, you find an ostrich egg, much larger than anything a chicken could lay.

Planetary Sciences Nov 30, 2023

Discovery of planet too big for its sun throws off solar system formation models

The discovery of a planet that is far too massive for its sun is calling into question what was previously understood about the formation of planets and their solar systems, according to Penn State researchers.

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