Science & Technology

Researchers led by physicist Henric Krawczynski in Arts & Sciences completed initial construction on XL-Calibur, a new balloon-borne telescope designed to measure the polarization of high-energy X-rays from black holes, neutron stars and other exotic celestial objects.

Scientists in the Department of Earth and Planetary Sciences in Arts & Sciences will continue to archive and distribute digital data related to the study of the surfaces and interiors of terrestrial planetary bodies under a five-year cooperative agreement with NASA.

Research led by Kun Wang in Arts & Sciences suggests a fundamental reason why Mars has no liquid water on its surface today: it may be just too small.

Kenneth F. Kelton, the Arthur Holly Compton Professor of Physics in Arts & Sciences, won a five-year grant from NASA to study fundamental fluid processes in the microgravity environment of the International Space Station.

Planetary scientist Sarah Stewart Johnson, AB ’01, wants to find the limits of life and broaden our world.

Researchers examine a 4.6 billion- year-old rock to better understand the solar system’s beginning, and a modern mystery.

Michael Nowak, research professor of physics in Arts & Sciences, is co-author of a study in The Astrophysical Journal Letters that shares unprecedented observations of the black hole in the galaxy M87.

An Arts & Sciences research team will help build a rover-mounted drill sensor to quantify the 3D distribution of water at the moon’s south pole. The team includes local St. Louis company Impossible Sensing.

Katherine Freese, an influential scientist who is at the forefront of efforts to understand the universe as a whole, will present the McDonnell Distinguished Lecture. Her online lecture begins at 7 p.m. Thursday, March 25.

Sachiko Amari, research professor of physics in Arts & Sciences, received the H. C. Urey Award from the European Association of Geochemistry for outstanding contributions advancing geochemistry.