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New analysis shows how sulfur clouds can form in Venus’ atmosphere
The planet Venus shown against a black background

New analysis shows how sulfur clouds can form in Venus’ atmosphere

An international research team, including atmospheric chemists from the School of Arts & Sciences, used computational chemistry methods to identify a novel pathway for how sulfur particles can arise high in the atmosphere of the second planet from the sun.

Katherine Unger Baillie

A ‘vibrant nexus’ for research and discovery in the physical sciences
the exterior of the david rittenhouse laboratory

As part of a $750M investment in science, engineering, and medicine, Penn has committed to constructing a new Physical Sciences Building and updating the David Rittenhouse Laboratory.

A ‘vibrant nexus’ for research and discovery in the physical sciences

With the construction of a new Physical Sciences Building and updates to the David Rittenhouse Laboratory, Penn will create a modernized physical sciences quadrant that integrates state-of-the-art research in physics, mathematics, chemistry, and engineering.

Erica K. Brockmeier

On the hunt for new exoplanets
the NEID spectrometer inside of a telescope dome

The NEID fiber feed mounted on the WIYN telescope obtained during commissioning of the instrument. This state-of-the-art spectrometer has officially started its scientific mission of discovering new exoplanets. (Image: NSF’s National Optical-Infrared Astronomy Research Laboratory/KPNO/NSF/AURA)

On the hunt for new exoplanets

A state-of-the-art instrument called NEID, from the Tohono O’odham word meaning “to see,” has officially started its scientific mission: discovering new planets outside of the solar system.

Erica K. Brockmeier

The largest comet ever discovered in modern times is zooming toward the sun
USA Today

The largest comet ever discovered in modern times is zooming toward the sun

Gary Bernstein of the School of Arts & Sciences spoke about the giant comet he and Ph.D. candidate Pedro Bernardinelli discovered. "We have the privilege of having discovered perhaps the largest comet ever seen—or at least larger than any well-studied one—and caught it early enough for people to watch it evolve as it approaches and warms up," Bernstein said.

Giant comet found in outer solar system
an image of the night sky with an object circled and annotated with Bernardinelli-Bernstein (C/2014-UN271)

Giant comet found in outer solar system

The discovery of the comet estimated to 100-200 kilometers across was made by Penn researchers following a comprehensive search of data from the Dark Energy Survey. Comet Bernardinelli-Bernstein is the most distant comet ever discovered and possibly the largest seen in modern times.

Erica K. Brockmeier