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Astrobiology Sep 1, 2025

What technosignatures would interstellar objects have?

The recent discovery of the third known interstellar object (ISO), 3I/ATLAS, has brought about another round of debate on whether these objects could potentially be technological in origin. Everything from random YouTube ...

Astronomy Sep 1, 2025

Radio emission observations reveal delayed outflow from a tidal disruption event

Astronomers have performed radio observations of WTP 14adeqka—a tidal disruption event discovered a decade ago. Results of the observational campaign, published August 22 on the pre-print server arXiv, provide crucial insights ...

Astronomy Sep 1, 2025

JWST reveals 3I/ATLAS's coma is largely carbon dioxide

All (or at least most) astronomical eyes are on 3I/ATLAS, our most recent interstellar visitor that was discovered in early July. Given its relatively short observational window in our solar system, and especially its impending ...

Astrobiology Sep 1, 2025

Circle versus rectangle: Finding 'Earth 2.0' may be easier using a new telescope shape

The Earth supports the only known life in the universe, all of it depending heavily on the presence of liquid water to facilitate chemical reactions. While single-celled life has existed almost as long as Earth itself, it ...

Astronomy Aug 29, 2025

Webb captures dusty wisps round a planet-forming disk

For this new Picture of the Month feature, the NASA/ESA/CSA James Webb Space Telescope has provided a fantastic new view of IRAS 04302+2247, a planet-forming disk located about 525 light-years away in a dark cloud within ...

Nanophysics Aug 29, 2025

Making the invisible visible: Dual laser excitation boosts light emission at nanoscale

Light still holds surprises—as demonstrated by researchers from the Ultrafast Phenomena Lab at the Faculty of ÌÇÐÄÊÓÆµics, University of Warsaw, in collaboration with the Institute of Low Temperature and Structure Research, ...

Astronomy Aug 29, 2025

Unusual COâ‚‚-rich disk detected around young star challenges planet formation models

A study led by Jenny Frediani at Stockholm University has revealed a planet-forming disk with a strikingly unusual chemical composition: an unexpectedly high abundance of carbon dioxide (CO2) in regions where Earth-like planets ...

Analytical Chemistry Aug 27, 2025

Electrons reveal their handedness in attosecond flashes

For the first time, chemists at ETH Zurich have successfully used extremely short, rotating flashes of light to measure and manipulate the different movements of electrons in mirror-image molecules. They showed that the chirality ...

Astronomy Aug 27, 2025

Disentangling a dusty nova: Astronomers take a closer look at LMCN 2009-05a

By analyzing the data from the American Association of Variable Star Observers (AAVSO) international database and the Small and Medium Aperture Telescope System (SMARTS), astronomers have inspected a nova in the Large Magellanic ...

Astronomy Aug 27, 2025

Cosmic butterfly reveals clues to Earth's creation

Clues about how worlds like Earth may have formed have been found buried at the heart of a spectacular "cosmic butterfly." With the help of the James Webb Space Telescope, researchers say they have made a big leap forward ...

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