The 7 Rocky Earth-Size TRAPPIST-1 Planets Have Remarkably Similar Densities
Precise measurements reveal that the exoplanets have remarkably similar densities, which provides clues about their composition. The red dwarf star PIST-1 is home to the…
Precise measurements reveal that the exoplanets have remarkably similar densities, which provides clues about their composition. The red dwarf star PIST-1 is home to the…
It was previously thought that collisions between galaxies would necessarily add to the activity of the massive black holes at their centers. However, researchers have…
Using a combination of telescopes, including the Very Large Telescope of the European Southern Observatory (ESO’s VLT), astronomers have revealed a system consisting of six…
Images of two iconic planetary nebulae taken by the Hubble Space Telescope are revealing new information about how they develop their dramatic features. Researchers from…
Search for Axions From Nearby Star Betelgeuse Comes Up Empty Results significantly narrow the range of possible places to find the hypothetical dark matter particles….
Apart from black holes, magnetars may be the most extreme stars in the universe. With a diameter less than the length of Manhattan, they pack…
Albert Einstein’s theory of general relativity profoundly changed our thinking about fundamental concepts in physics, such as space and time. But it also left us…
The Pleiades star cluster, a brilliant collection of several hundred stars visible in the winter sky near the constellation of Orion, has been admired by…
A theory as to why the Sun’s outer atmosphere differs in its chemical make-up from its inner layers has been confirmed by direct observation for…
This marks the second time astronomers have ever observed a cloud-free exoplanet. Astronomers at the Center for Astrophysics | Harvard & Smithsonian have detected the…
Scientists from the International Center for Radio Astronomy Research (ICRAR) and The University of Western Australia (UWA) have set a world record for the most…
An international team of researchers from the University of Oxford, LMU Munich, ETH Zurich, BGI Bayreuth, and the University of Zurich discovered that a two-step…
Deep-sky survey seeks to answer some of astronomy’s most pressing questions. When our universe was very young, it was a dark place filled with a…
The merger of two black holes in a binary system emits energy that can be detected on Earth by gravitational-wave observatories. The LIGO Scientific Collaboration…
Combining signals from multiple observations of neutron stars has allowed researchers to better understand the properties of ultra-dense matter and constrain the Hubble constant, which…
Dust may seem insignificant, but it plays a huge role in the universe, from the formation of stars and planets to facilitating the complex chemistry…
A group of international scientists, including an Australian astrophysicist, has used know-how from gravitational-wave astronomy (used to find black holes in space) to study ancient…
Examination of Theia 456 finds its nearly 500 stars were born at same time. The Milky Way houses 8,292 recently discovered stellar streams — all…