Science

Asteroids Building Blocks of Life

Samples of Asteroid Returned to Earth Reveal Possible Source of Water and Building Blocks of Life

Japan’s Hayabusa2 mission to asteroid Ryugu. Credit: JAXA Asteroids from the outer Solar System may have brought the building blocks of life to Earth. New research has revealed important new clues as to how the inner Solar System, including Earth, acquired its water and organic-rich components – the essential building blocks for all life. The …

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Three years ago, a star in Orion inexplicably dimmed. Astronomers finally know why

Earth’s sun is a predictable star, and that’s a good thing: if the sun fluctuated in its brightness significantly from year-to-year, the solar system would be a much less hospitable place for life. But while most stars in the universe are as regular as our sun, a small percentage aren’t — and when a star …

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Watch NASA’s mega moon rocket roll out to the launchpad ahead of liftoff

Engineers and technicians have been busy with checkouts and final testing of the Space Launch System rocket and Orion spacecraft inside the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. The rocket stack made a couple of trips to the launchpad in March and June for the wet dress rehearsal, a test that …

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De-extinction company sets its next (first?) target: The thylacine

Of all the species that humanity has wiped off the face of the Earth, the thylacine is possibly the most tragic loss. A wolf-sized marsupial sometimes called the Tasmanian tiger, the thylacine met its end in part because the government paid its citizens a bounty for every animal killed. That end came recently enough that …

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Black hole collisions could help us measure how fast the universe is expanding

In a new study, two University of Chicago astrophysicists laid out a method for how to use pairs of colliding black holes (shown as an artist’s rendition above) to measure how fast our universe is expanding. Credit: Simulating eXtreme Spacetimes (SXS) Project A black hole is usually where information goes to disappear—but scientists may have …

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Scientists vow to bring Tasmanian tiger back from extinction

The Tasmanian tiger could be reintroduced into the wild within a decade after a US biotechnology company backed by the Winklevoss twins pledged to recreate the animal almost 90 years after it was declared extinct. The last thylacine, the official name of the Tasmanian tiger that was the Australian island’s apex predator, died in a …

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