Hubble Tracks a Galaxy Moving Toward Us at Over 543,000 Miles Per Hour
This image from the NASA/ESA Hubble Space Telescope shows the galaxy Messier 86. Despite its being discovered over 235 years ago by astronomer Charles Messier,…
European Space Agency
Astronomers Have Seen Signs of “Life” at the Center of Messier 110
Many of the best-loved galaxies in the cosmos are remarkably large, close, massive, bright, or beautiful, often with an unusual or intriguing structure or history….
Hubble Glimpses Faint Galaxy in Sea Monster Constellation
This image, taken with the NASA/ESA Hubble Space Telescope, focuses on an object named UGC 695, which is located 30 million light-years away within the…
Hubble Explores the Formation and Evolution of Star Clusters in the Large Magellanic Cloud
Just as people of the same age can vary greatly in appearance and shape, so do collections of stars or stellar aggregates. New observations from…
Swarm of Stars Spotted by Hubble Space Telescope
This image from the NASA/ESA Hubble Space Telescope shows a dwarf galaxy named UGC 685. Such galaxies are small and contain just a tiny fraction…
See the Final Stages of a Star’s Life via the Hubble Space Telescope
This image from the NASA/ESA Hubble Space Telescope shows NGC 5307, a planetary nebula that lies about 10,000 light-years from Earth. It can be seen…
Hubble’s “Jellyfish” Portrait of Star’s Gaseous Glow
Although it looks more like an entity seen through a microscope than a telescope, this rounded object, named NGC 2022, is certainly not algae or…
Hubble Showcases New Portrait of Jupiter
The NASA/ESA Hubble Space Telescope reveals the intricate, detailed beauty of Jupiter’s clouds in this new image taken on 27 June 2019, by Hubble’s Wide…
Unique Experiments Will Study Cosmic Clashes and Their Mysterious Aftermath
What happens when two supermassive black holes collide? Combining the observing power of two future ESA missions, Athena and LISA, would allow us to study…
VLT Captures Glimpse of Ethereal Nebula Hidden in Orion Constellation
Hidden in one of the darkest corners of the Orion constellation, this Cosmic Bat is spreading its hazy wings through interstellar space two thousand light-years…
GAIA Reveals For the First Time Crystallization in White Dwarfs
Data captured by ESA’s galaxy-mapping spacecraft Gaia has revealed for the first time how white dwarfs, the dead remnants of stars like our Sun, turn…
ESO Image of the Week – A Portrait of a Beauty
Nuzzled in the chest of the constellation Virgo (the Virgin) lies a beautiful cosmic gem — the galaxy Messier 61. This glittering spiral galaxy is aligned face-on…
PulChron System Measures Time Using Radio Pulses From Neutron Stars
ESA’s technical centre in the Netherlands has begun running a pulsar-based clock. The ‘PulChron’ system measures the passing of time using millisecond-frequency radio pulses from…
NELIOTA Project Views Flashes of Light Across the Surface of the Moon
Every few hours observing the Moon, ESA’s ‘NELIOTA’ project discovers a brilliant flash of light across its surface – the result of an object hurtling…
The Merger That Led to the Formation of the Milky Way
ESA’s Gaia mission has made a major breakthrough in unravelling the formation history of the Milky Way. Instead of forming alone, our Galaxy merged with…
Mars Express Observes the Evolution of a Cloud Formation Hovering Over Arsia Mons
Since 13 September, ESA’s Mars Express has been observing the evolution of an elongated cloud formation hovering in the vicinity of the 20 km-high Arsia…
Astronomers Identify Possible Places of Origin of ‘Oumuamua
Using data from ESA’s Gaia stellar surveyor, astronomers have identified four stars that are possible places of origin of ‘Oumuamua, an interstellar object spotted during…
Students Spot Mysterious X-Ray Source in Globular Cluster NGC 6540
An enigmatic X-ray source revealed as part of a data-mining project for high-school students shows unexplored avenues hidden in the vast archive of ESA’s XMM-Newton…