Hubble captures a starry scene

A glittering multitude of stars in the globular cluster Terzan 4 fills this image from the NASA/ESA Hubble Space Telescope. Globular clusters are collections of stars bound together by their mutual gravitational attraction ...

Another Webb telescope instrument gets the 'go for science'

The second of NASA's James Webb Space Telescope's four primary scientific instruments, known as the Mid-Infrared instrument (MIRI), has concluded its postlaunch preparations and is now ready for science.

Image: Hubble snaps globular cluster Terzan 9

This star-studded image shows the globular cluster Terzan 9 in the constellation Sagittarius, toward the center of the Milky Way. The NASA/ESA Hubble Space Telescope captured this glittering scene using its Wide Field Camera ...

True colour of exoplanet measured for the first time

( —Astronomers using the NASA/ESA Hubble Space Telescope have, for the first time, determined the true colour of a planet orbiting another star. If seen up close this planet, known as HD 189733b, would be a deep ...

Probing gravity

( -- Einstein's theory of relativity is remarkable not only because it is so successful in explaining seemingly bizarre observations (like the bending of starlight) or because it has assembled a coherent picture ...

Today in the Milky Way: Cloudy skies

( -- Adam Block of the UA's Mount Lemmon SkyCenter brings us a rare view of the clouds wafting through our Milky Way in this Astronomy Picture of the Day.

Venus transit may boost hunt for other worlds

Astronomers around the world will be using advanced telescopes to watch Venus cross in front of the Sun on June 5 and 6 in the hopes of finding clues in the hunt for other planets where life may exist.

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