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Astronomy 33 minutes ago

An Earth-sized rogue planet discovered in the Milky Way

Our galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers, has announced the discovery of the smallest Earth-sized free-floating planet ...

Environment 1 hour ago

Study probes connection between diet quality and environmental sustainability

A healthy diet means a healthier you, which also means a healthier planet, right? Well, it's complicated.

Astronomy 1 hour ago

NASA's Webb to examine objects in the graveyard of the solar system

Beyond the orbit of Neptune, a diverse collection of thousands of dwarf planets and other relatively small objects dwells in a region called the Kuiper Belt. These often-pristine leftovers from our solar system's days of ...

Earth Sciences 17 hours ago

Location and extent of coral reefs mapped worldwide using advanced AI

Nearly 75% of the world's coral reefs are under threat from global stressors such as climate change and local stressors such as overfishing and coastal development. Those working to understand and protect coral reefs are ...

Astronomy 21 hours ago

Solved: the mystery of how dark matter in galaxies is distributed

The gravitational force in the Universe under which it has evolved from a state almost uniform at the Big Bang until now, when matter is concentrated in galaxies, stars and planets, is provided by what is termed 'dark matter." ...

Astronomy 23 hours ago

Astronomers discover activity on distant planetary object

Centaurs are minor planets believed to have originated in the Kuiper Belt in the outer solar system. They sometimes have comet-like features such as tails and comae—clouds of dust particles and gas—even though they orbit ...

Environment Oct 28, 2020

Where's the sea ice? 3 reasons the Arctic freeze is unseasonably late and why it matters

With the setting of the sun and the onset of polar darkness, the Arctic Ocean would normally be crusted with sea ice along the Siberian coast by now. But this year, the water is still open.

Environment Oct 28, 2020

Q&A: How the human right to a healthy environment can help protect us all

From the COVID-19 pandemic to the raging wildfires in Australia and the U.S., scientific evidence shows an increase in planetary environmental emergencies that pose a risk to Canadian and global communities.

Earth Sciences Oct 28, 2020

Scientists discover 500-meter-tall coral reef in the Great Barrier Reef, the first to be discovered in over 120 years

Scientists have discovered a massive detached coral reef in the Great Barrier Reef–the first to be discovered in over 120 years, Schmidt Ocean Institute announced today. Measuring more than 500m high–taller than the Empire ...

Materials Science Oct 28, 2020

Laser reveals electronically excited hydroxyl super-rotors in water photochemistry

The presence of high-energy radiation fields in the universe yields various superexcited molecules, which play an important role as a reaction intermediate.

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