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Like thunder without lightning - In star clusters, black holes merge with neutron stars, unseen
Mergers between black holes and neutron stars in dense star clusters are quite unlike those that form in isolated regions where stars are few. Their associated features could be crucial to the study of gravitational waves and their source.
May 15, 2020 Read more
Seeing the universe through new lenses
Images collected for dark energy telescope project reveal hundreds of new gravitational lens candidates.
May 14, 2020 Read more
TESS enables breakthrough study of perplexing stellar pulsations
Astronomers have detected elusive pulsation patterns in dozens of young, rapidly rotating stars. The discovery will revolutionize scientists' ability to study details like the ages, sizes and compositions of these stars -- all members of a class named for the prototype, the bright star Delta Scuti.
May 14, 2020 Read more
Where neutrinos come from
Researchers trace high-energy neutrino origins to black holes in far-off quasars.
May 13, 2020 Read more
Astronomers find regular rhythms among pulsating stars
Through the noise, a class of stars reveals its inner workings; poor 'social distancing' identified using NASA space telescope.
May 13, 2020 Read more
What's Mars made of?
Researchers simulate the core of Mars to investigate its composition and origin.
May 13, 2020 Read more
Solar system's oldest molecular fluids could hold the key to early life
The oldest molecular fluids in the solar system could have supported the rapid formation and evolution of the building blocks of life.
May 12, 2020 Read more
Hayabusa2 reveals more secrets from Ryugu
In February and July of 2019, the Hayabusa2 spacecraft briefly touched down on the surface of near-Earth asteroid Ryugu. The readings it took with various instruments at those times have given researchers insight into the physical and chemical properties of the 1-kilometer-wide asteroid.
May 11, 2020 Read more
Atronomers find closest black hole to Earth
Invisible object has two companion stars visible to the naked eye.
May 6, 2020 Read more
Could dark matter be hiding in existing data?
Current experiments' detectors and data analyses efforts could be refocused to seek out newly suggested types of dark matter signals that may have been overlooked.
May 5, 2020 Read more
Life might survive, and thrive, in a hydrogen world
When searching for extraterrestrial life, astronomers may want to look at planets with hydrogen-rich atmospheres.
May 5, 2020 Read more
Exoplanets: How we'll search for signs of life
An interdisciplinary team of researchers has provided a framework called a 'detectability index' to help prioritize exoplanets to study and provide scientists with a tool to select the best targets for observation and maximize the chances of detecting life.
May 4, 2020 Read more
New study examines which galaxies are best for intelligent life
Galaxies such as our own Milky Way are more likely to harbor intelligent, technologically advanced civilizations, astrophysicist argues.
May 1, 2020 Read more
Looking for dark matter with the universe's coldest material
Our current understanding of cosmology and nuclear physics suggests that dark matter could be made of axions, hypothetical particles with unusual symmetry properties. Scientists report on how to search for axions using the unique properties of Bose-Einstein condensates.
May 1, 2020 Read more
Astronomers could spot life signs orbiting long-dead stars
The next generation of powerful Earth- and space-based telescopes will be able to hunt distant solar systems for evidence of life on Earth-like exoplanets - particularly those that chaperone burned-out stars known as white dwarfs.
April 30, 2020 Read more
Gravitational waves could prove the existence of the quark-gluon plasma
Computer models of merging neutron stars predicts how to tell when this happens.
April 30, 2020 Read more
Astronomers capture rare images of planet-forming disks around stars
An international team of astronomers has captured fifteen images of the inner rims of planet-forming disks located hundreds of light years away. The images shed new light on how planetary systems are formed.
April 30, 2020 Read more
4-billion-year-old nitrogen-containing organic molecules discovered in Martian meteorites
Using advanced techniques, scientists have detected organic compounds containing nitrogen in Martian meteorites which were ejected from Mars' surface some 15 million years ago, proving that evidence for early life can be preserved and detected today.
April 29, 2020 Read more