Physical Sciences

International Astronomical Union Elects Mercedes Richards President of Commission on Close Binary Stars
International Astronomical Union Elects Mercedes Richards President of Commission on Close Binary Stars
Early-Earth Cells Modeled to Show How First Life Forms Might Have Packaged RNA
RNA strands and RNA enzymes coming together within droplets of dextran
New Black Hole Discovered in Our Galaxy
Swift J1745-26 with labels and scale of moon as it would appear in the field of view from Earth. Credit: NASA/Goddard Space Flight Center/S. Immler and H. Krimm
Case of Missing Quasar Gas Clouds Now Solved
An artist's impression of a quasar
Video: Penn State Astronomer Christopher Palma Explains the Science Behind the Question "What Time is It?"
Chris Palma discusses the science behind the quesetion, "What time is it?"
First Evidence Discovered of Planet's Destruction by Its Star
An artist's impression of a red supergiant engulfing a Jupiter-like planet as it expands. Credit: NASA
Probing Question: Is it Possible to Save Coral Reefs?
Credit: Matt Aschaffenburg, University of Delaware
Penn State Scientists Participate in the Construction of the Largest Three-Dimensional Map of the Universe
Galaxies are concentrated into clusters and filaments with voids in between. The SDSS-III is exploring this structure to determine the nature of dark energy and the distribution of dark matter in the Universe. Credit: Yushu Yao and Prabhat (Lawrence Berkeley National Laboratory, NERSC), Miguel A. Aragon (Johns Hopkins University), and the SDSS-III Collaboration
National Science Board Recommends Giant Survey Telescope
An artist's rendering of the proposed Large Synoptic Survey Telescope.
Viruses' Copying Mechanism Demystified, Opening the Door to New Vaccine Strategies
Motif D shown next to a nucleotide
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