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Astronomy 4 hours ago

Hubble views broad and sweeping spiral galaxy NGC 4731

This new image from the NASA/ESA Hubble Space Telescope shows the broad and sweeping spiral galaxy NGC 4731. It lies in the constellation Virgo and is located 43 million light-years from Earth. This highly detailed image ...

Planetary Sciences 7 hours ago

TOI-1685 b is a hot and rocky super-Earth exoplanet, observations find

An international team of astronomers has performed follow-up observations of a nearby alien world known as TOI-1685 b. Results of the observations, published May 21 on the pre-print server arXiv, indicate that TOI-1685 b ...

Astronomy Jun 1, 2024

The universe's biggest explosions made elements we are composed of, but there's another mystery source out there

After its "birth" in the Big Bang, the universe consisted mainly of hydrogen and a few helium atoms. These are the lightest elements in the periodic table. More-or-less all elements heavier than helium were produced in the ...

Astronomy Jun 1, 2024

Webb telescope finds most distant galaxy ever observed, again

The James Webb Space Telescope has discovered what appears to be a new record-holder for the most distant known galaxy, a remarkably bright star system that existed just 290 million years after the Big Bang, NASA said Thursday.

Astronomy Jun 1, 2024

Study investigates a massive 'spider' pulsar

Astronomers from the Stanford University in California have performed joint X-ray and optical observations of a massive "spider" pulsar designated PSR J2215+5135. Results of the observational campaign, presented in a paper ...

Planetary Sciences May 31, 2024

A new deep-learning algorithm can find Earth 2.0

How can machine learning help astronomers find Earth-like exoplanets? This is what a new study hopes to address as a team of international researchers investigated how a novel neural network-based algorithm could be used ...

Astronomy May 31, 2024

AI helps scientists understand cosmic explosions

Scientists at the University of Warwick are using artificial intelligence (AI) to analyze cosmic explosions known as supernovae. Their paper is published in Monthly Notices of the Royal Astronomical Society.

Planetary Sciences May 31, 2024

Glimpses of a volcanic world: New telescope images of Jupiter's moon Io rival those from spacecraft

New images of Jupiter's volcano-studded moon Io, taken by the Large Binocular Telescope on Mount Graham in Arizona, offer the highest resolution of Io ever achieved with an Earth-based instrument. The observations were made ...

Astronomy May 31, 2024

X-ray binary Swift J1727.8-1613 has a large relativistic jet, observations show

Using the Very Long Baseline Array (VLBA) and the Long Baseline Array (LBA), astronomers have observed a black hole low-mass X-ray binary known as Swift J1727.8-1613. As a result, they found that the system hosts a highly ...

Archaeology May 30, 2024

Was Seahenge created for a ritual to extend the summer during climate change battle?

New research into an ancient timber circle discovered on a Norfolk beach and dubbed "Seahenge" suggests it was created in response to a period of extreme climatic deterioration at the close of the third millennium BC.

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