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Astronomy Jun 11, 2026

On the hunt for cosmic dawn and the universe's very first stars

After only four short years, NASA's James Webb Space Telescope (JWST) and observational cosmologists like Richard Ellis at University College London (UCL) have pushed the cosmic lookback time to an era when the universe's ...

Astronomy Jun 10, 2026

'Black hole stars'—Webb finds strongest evidence yet

The complex puzzle known as little red dots has become more complete since their initial discovery by NASA's James Webb Space Telescope in 2022. Now a particular little red dot's spectrum is helping connect many of the pieces.

Astronomy Jun 9, 2026

Space telescopes are now overwhelmed by satellite trails

Unfortunately, there's more bad news to report on the clear skies front. A new paper, available on the arXiv preprint server from researchers at NASA's Ames Research Center, reports that 73.3% of images the agency's new SPHEREx ...

Astronomy Jun 3, 2026

Brightness 'gap' in ancient star cluster reveals missing red dwarfs

Scientists from the Space Telescope Science Institute (STScI) in Baltimore, Maryland, sought to study one stellar subject and ended up finding something even more exciting. The team's results published today in Astronomy ...

Astronomy Jun 1, 2026

Hubble captures M88 on journey to center of Virgo cluster

The focus of this NASA/ESA Hubble Space Telescope image is an active spiral galaxy on a journey lasting hundreds of millions of years. The galaxy Messier 88 (M88), also known as NGC 4501, is located about 63 million light-years ...

Astronomy May 27, 2026

Hubble spies faint irregular galaxy ESO 490-017

This NASA Hubble Space Telescope image features the dwarf irregular galaxy ESO 490-017, roughly 12,000 light-years in diameter and some 23 million light-years away in the constellation Canis Major. The galaxy's low surface ...

Astronomy May 22, 2026

Hubble captures galaxy cluster MACS J1141.6-1905

Look closely at this image from NASA's Hubble Space Telescope and you'll see galaxies of various shapes and sizes clustered together toward the center-left of the image. A few foreground stars shine brightly and are easily ...

Astronomy May 21, 2026

Astronomers de-fog exoplanet atmospheres with new cloud-detecting method

Sand clouds form every morning but clear up by nightfall on WASP-94A b, a well-studied gas giant in a constellation located nearly 700 light years away from Earth. Using data from the James Webb Space Telescope (JWST), research ...

Astronomy May 19, 2026

MeerKAT discovers 15 new millisecond pulsars in a well known globular cluster

Using the MeerKAT radio telescope, an international team of astronomers has discovered 15 new millisecond pulsars in 47 Tucanae—one of the closest and best studied globular clusters. The finding is reported in the latest ...

Astrobiology May 18, 2026

Findings reconsider the existence of Europa's vapor plumes

Looking back at 14 years of Hubble telescope data for Jupiter's moon Europa has given Southwest Research Institute (SwRI) scientists a better understanding of its tenuous atmosphere. The findings have cast doubt on previous ...

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