Astronomers Use a Single Gravitational Wave Event to Measure the Age of the Universe
The direct detection of gravitational waves from at least five sources during the past two years offers spectacular confirmation of Einstein’s model of gravity and…
The direct detection of gravitational waves from at least five sources during the past two years offers spectacular confirmation of Einstein’s model of gravity and…
The spots on the surface of the Sun come and go with an 11-year periodicity known as the solar cycle. The solar cycle is driven…
NASA ScienceCast video about supermoons in late 2017 and early 2018. A supermoon is a Moon that is full when it is also at or…
Twinkle, twinkle, little star, how I wonder what you are. Astronomers are hopeful that the powerful infrared capability of NASA’s James Webb Space Telescope will…
A team of more than 200 researchers, including Penn State Department of Astronomy and Astrophysics Assistant Professor Jason Wright and led by Louisiana State University’s…
At first glance, it would seem to be impossible to look inside a star. An international team of astronomers, under the leadership of Earl Bellinger…
Young galaxies blaze with bright new stars forming at a rapid rate, but star formation eventually shuts down as a galaxy evolves. A new study,…
NASA’s Stratospheric Observatory for Infrared Astronomy, SOFIA, is preparing for its 2018 observing campaign, which will include observations of celestial magnetic fields, star-forming regions, comets,…
Astronomers from the Harvard-Smithsonian Center For Astrophysics have measured the sizes of the accreting regions around the supermassive black holes in four distant AGN using…
Despite the many impressive discoveries humans have made about the universe, scientists are still unsure about the birth story of our solar system. Scientists at…
A breakthrough in the understanding of how cosmic rays from supernovae can influence Earth’s cloud cover and thereby climate is published today in the journal…
A team of U.S. astronomers studying the star RZ Piscium has found evidence suggesting its strange, unpredictable dimming episodes may be caused by vast orbiting…
After several months of downtime after Hurricane Maria blew through, the Arecibo Observatory Planetary Radar has returned to normal operation, providing the highest-resolution images to…
Astronomers studying the Toothbrush Cluster with new radio observations combined with other wavelengths have been able to confirm the galaxy merger scenario and estimate the…
New research has provided a deeper insight into emission line galaxies, used in several ongoing and upcoming surveys, to help us further understand the composition…
Using ESO’s Very Large Telescope, astronomers have for the first time directly observed granulation patterns on the surface of a star outside the Solar System…
The center of our Galaxy has been intensely studied for many years, but it still harbors surprises for scientists. A snake-like structure lurking near our…
An international team of scientists reveals in the journal Nature that the neutron-star merger announced in October has solved one mystery, where gold comes from,…