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…
In 2014, astronomers using the NASA/ESA Hubble Space Telescope found that this enormous galaxy cluster contains the mass of a staggering three million billion Suns…
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’s Juno spacecraft was a little more than one Earth diameter from Jupiter when it captured this mind-bending, color-enhanced view of the planet’s tumultuous atmosphere….
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…
The purpose of NASA’s OSIRIS-REx spacecraft—Origins, Spectral Interpretation, Resource Identification, and Security–Regolith Explorer—is to map and return samples from asteroid Bennu, a carbon-rich hunk of…
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,…
This image, captured by the NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 (WFC3), shows a galaxy named UGC 6093. As can be easily seen,…
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…
A new project using data from NASA’s Chandra X-ray Observatory and other telescopes allows people to navigate through real data of the remains of an…
Saturn’s moon Enceladus drifts before the rings, which glow brightly in the sunlight. Beneath its icy exterior shell, Enceladus hides a global ocean of liquid…
What is a tholus? A tholus is a type of small mountain. These images show such a feature on dwarf planet Ceres called Kwanzaa Tholus….
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…