Cambridge, MA - Antarctica might be one of the most inhospitable regions on the planet, but it is a mecca for astronomers. Its cold, dry air enables observations that can't be done els...

Eeriness creeps in. Colors change and shadows sharpen. The last minutes before a total solar eclipse trigger a primal reaction in the human psyche, says astronomer Jay Pasachoff."You don'...

Our Sun vibrates due to pressure waves generated by turbulence in its upper layers (the layers dominated by convective gas motions). Helioseismology is the name given to the study of the...

New observations from a NASA spacecraft could help solve a persistent mystery — why the sun's atmosphere is so much hotter than its surface. While the sun's visible surface is about 10,00...

Galaxy clusters contain a few to thousands of galaxies and are the largest bound structures in the Universe. Most galaxies are members of a cluster. Our Milky Way, for example, is a mem...

Near Earth Objects (NEOs) are small solar system bodies whose orbits sometimes bring them close to the Earth, thereby posing a potential threat. Because NEOs are constantly being repleni...

Alex Dalgarno was a truly exceptional person and scientist. World renowned, he was widely considered the father of theoretical atomic and molecular astrophysics, a field that continues to...

Cambridge, MA - A snapshot of the stellar life cycle has been captured in a new portrait from NASA's Chandra X-ray Observatory and the Smithsonian's Submillimeter Array (SMA). A cloud ...

The first stars appeared about one hundred million years after the big bang, and ever since then stars and star formation processes have lit up the cosmos. When the universe was about th...

Pasadena - CA The Giant Magellan Telescope Organization (GMTO) today announced the appointment of Walter E. Massey, PhD, and Taft Armandroff, PhD, to the positions of Board Chair and V...