October 4, 2025

The orbit of Comet 3I/ATLAS in the solar system. NASA illustration

Interstellar comet 3I/ATLAS crossed the orbit of Mars this week – a rare window for cosmic research

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NASA and ESA spacecraft are taking advantage of the proximity to Mars to study the comet's chemical composition; perihelion is expected on October 30 and will lead to a peak in activity
A new image of the galaxy OJ 287 reveals for the first time the ribbon-like structure with the sharp curve of the plasma jet ejected from its center. Credit: Dr Efthalia Traianou, Heidelberg University, IWR

What lies at the heart of OJ 287? New image reveals the secret of merging black holes

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Astronomers have imaged the twisted jet structure in the core of the galaxy OJ 287 for the first time – evidence of two supermassive black holes in the process of merging.
Prof. Ronit Saatchi Fainero. Photo: Tel Aviv University spokesperson

Attacking brain tumors

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Prof. Ronit Sacchi-Painero identified two key proteins – CCL2 and P-Selectin – that are involved in cancer cell entry into the brain. Blocking either axis significantly reduced metastatic burden in mouse models and in vitro systems.
Cuddle with a cat. Illustration: depositphotos.com

What does owning a cat do to your brain (and theirs) and how does it relate to oxytocin?

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New research shows that the love hormone, oxytocin, not only strengthens social bonds between humans – but also deepens the connection with cats, with the key being gentle touch and mutual trust.
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