Hubble gazes at a star-studded skyfield

This star-studded image from the NASA/ESA Hubble Space Telescope shows the heart of the globular cluster NGC 6638 in the constellation Sagittarius. The star-strewn observation highlights the density of stars at the heart ...

Astronomy data and the search for habitable worlds

In 1610, Galileo Galilei peered through a telescope and observed, "I have seen Jupiter accompanied by three fixed stars, totally invisible by their smallness. The planets are seen very rotund, like little full moons." In ...

Sunrise III found safe at landing site

Following the termination of the flight of the balloon-borne solar observatory Sunrise III on July 10, team members have reached the landing site and found the observatory's science payload largely intact. According to current ...

Prospecting for interstellar oil

We have developed a new method to look for carbon compounds in space, akin to prospecting for oil on Earth. Our method is published in Monthly Notices of the Royal Astronomical Society.

A dazzling Hubble collection of supernova host galaxies

Spanning from 2003 to 2021, this collection of images from the NASA/ESA Hubble Space Telescope features galaxies that are all hosts to both Cepheid variables and supernovae. These two celestial phenomena are both crucial ...

Telescope dons 'sunglasses' to find brightest-ever pulsar

An international research team, including scientists at Australia's national science agency, CSIRO, has used a new observation technique to discover the brightest extragalactic pulsar known, and it could even be the most ...

Astronomers capture surprising changes in Neptune's temperatures

An international team of astronomers have used ground-based telescopes, including the European Southern Observatory's Very Large Telescope (ESO's VLT), to track Neptune's atmospheric temperatures over a 17-year period. They ...

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