Astronomers have unveiled surprising new details about a small galaxy, NGC 300, challenging existing theories on galaxy ...

The Gaia mission of the European Space Agency (ESA) has officially ceased its scientific operations after 12 years of service ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

これらはESA（ヨーロッパ宇宙機関）の位置天文衛星ガイア（Gaia）のデータをもとに描かれた、天の川銀河の最新の想像図です。2025年1月15日にESAが公開。1枚目は銀河円盤を真上から、2枚目は真横から見たものです。天の川銀河は、中央に「 ...

In the meantime, there remains a chance to glimpse Gaia through a small telescope before its final retirement. Uwe Lammers, ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.

A team of astronomers led by University of Arizona researcher Catherine Fielder captured the most precise photographs of a small galaxy and its surroundings re ...

The European Space Agency's Milky Way-mapping space mission Gaia, which involves UCL researchers, has completed its ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

NASA’s James Webb Space Telescope’s mid-infrared view of interacting galaxies Arp 142 seems to sing in primary colors. NASA’s James Webb Space Telescope has peered into the chaos of the Cartwheel ...

Nobody and nothing works forever, even space probes retire. The European space probe Gaia ended its work this week after more ...