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Astronomy 7 hours ago

Hubble Space Telescope glimpses spiral galaxy UGC 9684

The celestial object showcased in this image from the NASA/ESA Hubble Space Telescope is the spiral galaxy UGC 9684, which lies around 240 million light-years from Earth in the constellation Boötes. This image shows an impressive ...

Astronomy 8 hours ago

NASA's Chandra notices the galactic center is venting

Using NASA's Chandra X-ray Observatory, astronomers have located an exhaust vent attached to a "chimney" of hot gas blowing away from the center of the Milky Way galaxy. Their paper describing these results is published in ...

Astronomy 10 hours ago

Is dark matter's main rival theory dead? The Cassini spacecraft and other recent tests may invalidate MOND

One of the biggest mysteries in astrophysics today is that the forces in galaxies do not seem to add up. Galaxies rotate much faster than predicted by applying Newton's law of gravity to their visible matter, despite those ...

Social Sciences 10 hours ago

Women in rich countries are having fewer kids, or none at all. What's going on?

A recent report from the US Centers for Disease Control and Prevention shows US fertility rates dropped 2% in 2023. With the exception of a temporary increase in the fertility rate at the height of the COVID-19 pandemic, ...

Astronomy 10 hours ago

Astronomers are on the hunt for Dyson spheres

There's something poetic about humanity's attempt to detect other civilizations somewhere in the Milky Way's expanse. There's also something futile about it. But we're not going to stop. There's little doubt about that.

Astronomy 11 hours ago

Astronomers propose a new stellar theory to explain the origin of phosphorus

Astronomers have proposed a new theory to explain the origin of phosphorus, one of the elements important for life on Earth. The theory suggests a type of stellar explosion known as "ONe novae" as a major source of phosphorus.

Planetary Sciences 12 hours ago

Study reveals mechanisms of hydrodynamic escape in low-mass exoplanets

A study published in Nature Astronomy and conducted by Guo Jianheng from the Yunnan Observatories of the Chinese Academy of Sciences offers a perspective on the violent atmospheric escape processes of low-mass exoplanets, ...

Astronomy 12 hours ago

An abundance of distant gas-rich galaxies found by FAST

Astronomers, using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in China's Guizhou Province, have found an abundance of gas-rich galaxies in the distant universe.

Planetary Sciences May 9, 2024

TESS discovers a rocky planet that glows with molten lava as it's squeezed by its neighbors

UC Riverside astrophysicist Stephen Kane had to double-check his calculations. He wasn't sure the planet he was studying could be as extreme as it seemed.

Astronomy May 9, 2024

NASA images help explain eating habits of massive black hole

In images from NASA's retired Spitzer Space Telescope, streams of dust thousands of light-years long flow toward the supermassive black hole at the heart of the Andromeda galaxy. It turns out these streams can help explain ...

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