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Ecology 1 hour ago

Scientists map soil RNA to fungal genomes to understand forest ecosystems

If a tree falls in the forest—whether or not anyone registers the sound—one thing is for sure: there are lots of fungi around. Within a forest's soil, hundreds of species decompose debris, mobilize nutrients from that ...

Space Exploration 25 minutes ago

Pushing the limits of sub-kilowatt electric propulsion technology for space mission concepts

NASA has developed an advanced propulsion technology to facilitate future planetary exploration missions using small spacecraft. Not only will this technology enable new types of planetary science missions, one of NASA's ...

Astrobiology 52 minutes ago

A NASA rover has reached a promising place to search for fossilized life on Mars

While we go about our daily lives on Earth, a nuclear-powered robot the size of a small car is trundling around Mars looking for fossils. Unlike its predecessor Curiosity, NASA's Perseverance rover is explicitly intended ...

Earth Sciences 1 hour ago

Mantle heat may have boosted Earth's crust 3 billion years ago

Little is known about the nature and evolution of Earth's continental crust before a few billion years ago because cratons, or stable swaths of the lithosphere more than 2–3 billion years old, are relatively rare.

Planetary Sciences 9 hours ago

Lunar landforms indicate geologically recent seismic activity on the moon

The moon's steadfast illumination of our night sky has been a source of wonder and inspiration for millennia. Since the first satellite images of its surface were taken in the 1960s, our understanding of Earth's companion ...

Environment 1 hour ago

Will the US ban the use of single-use plastics like England, India, Hong Kong and other countries?

Madhavi Venkatesan, associate teaching professor of economics at Northeastern University, is convinced that human convenience is an expense the environment cannot afford.

Paleontology & Fossils 2 hours ago

These giant, prehistoric salmon had tusk-like teeth

Oncorhynchus rastrosus, a giant species of salmon that lived in the North American Pacific Northwest a few million years ago, sported a pair of front teeth that projected out from the sides of its mouth like tusks, according ...

Plants & Animals 3 hours ago

International study produces a comprehensive 'tree of life' for flowering plants

With their own botanical collection material and their research knowledge on the evolution of cruciferous plants (plants of the cabbage family), bioscientists at Heidelberg University have contributed to a large-scale international ...

Earth Sciences 2 hours ago

Quakes do not kill people, bad buildings do

Early on Tuesday (April 23), Taiwan was hit by a series of earthquakes with the highest magnitude at 6.3. The latest tremor came less than three weeks after a magnitude 7.4 quake hit the island, damaging more than 100 buildings ...

Plants & Animals 5 hours ago

Vast DNA tree of life for plants revealed by global science team using 1.8 billion letters of genetic code

A new paper published today (April 24) in the journal Nature by an international team of 279 scientists led by the Royal Botanic Gardens, Kew presents the most up-to-date understanding of the flowering plant tree of life.

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