Menlo Park CA (SPX) Jan 23, 2026
Cosmologists Josh Frieman and Risa Wechsler look back on the Dark Energy Survey, sharing how it is paving the way for the NSF-DOE Vera C. Rubin Observatory to dig deeper into some of the universe's darkest mysteries. As the Dark Energy Survey (DES) releases its final results, we caught up with two physicists who have been involved in the project from its early days. In this Q&A, Josh Friem

Los Angeles CA (SPX) Jan 29, 2026
A research team has developed a method to reduce uncertainties in measurements of cosmic birefringence, a subtle rotation in the polarization of the cosmic microwave background that may hold clues to new physics beyond the standard model. The work, published January 27 in Physical Review Letters, provides the first quantitative treatment of uncertainty in the birefringence angle, a key observabl

Two days of intense discussions and exchanges came to an end at the 18th European Space Conference in Brussels on Wednesday.

The NASA/ESA/CSA James Webb Space Telescope has topped itself once again, delivering on its promise to push the boundaries of its observations closer to cosmic dawn with the confirmation of a bright galaxy that existed 280 million years after the Big Bang.

Video: 00:08:37

Watch the keynote address by ESA Director General Josef Aschbacher on the second day of the 18th European Space Conference in Brussels.

The European Space Conference is a key strategic event bringing together representatives from ESA, the European Commission, industry, national space agencies and other European institutions to discuss the future of Europe in space.

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