What time will NASA’s DART spacecraft hit an asteroid on Sept. 26?

A NASA spacecraft will soon make history when it crashes into an asteroid in the world’s first planetary defense test. The Double Asteroid Redirection Test, or DART asteroid mission, will slam a spacecraft into the tiny moon of the asteroid Didymos on Monday, Sept. 26with the impact set at 7:14 pm EDT (2314 GMT). If … Read more

Scientists chip away at the mystery of how radiation weakens metal, one atom at a time

Science Advances (2022). DOI: 10.1126/sciadv.abn0900″ width=”800″ height=”434″/> The analyzed GB and its surrounding environment. (A) Automated crystal orientation mapping showing the grain orientations in the vicinity of the interface of interest. The boundary of interest separates the two indicated grains, labeled as A and B, at the center of image (B) and terminates at triple … Read more

Cracking the secrets to earthquake safety, one shake simulation at a time

The Soil Box System, pictured during the assembly phase. Credit: Eric Marks/UNR To make sure our buildings and infrastructure are earthquake-safe, we must understand how seismic activity affects different structures. Miniature models and historical observations are helpful, but they only scratch the surface of understanding and quantifying a geological event as powerful and far-reaching as … Read more

LICIA Cube will witness DART smash into asteroid Dimorphos in real time

When NASA’s DART spacecraft smashes into asteroid Dimorphos on Sept. 26, it will have a silent witness: An Italian cubesat called LICIACube will watch the ground-breaking experiment in real time for eager scientists on Earth. LICIACubeor the Light Italian Cubesat for Imaging of Asteroids, is a 31-pound (14 kilograms) micro-satellite that has hitched a ride … Read more

Antarctic stations are plagued by sexual harassment. It’s time for things to change

Antarctic expeditions have a stomach-churning underbelly of sexual harassment, and national programs are not doing enough to stop it. Credit: Derek Oyen/Unsplash In October 2017, Antarctic science had its own #MeToo moment. Science magazine published a piece on claims of abuse of female geoscientists in Antarctica—the most remote environment in the world. US geologist Jane … Read more

‘Star factory’ at Milky Way’s heart seen for the first time

Astronomers have reconstructed the history of star formation at the center of the Milky Way for the first time, finding that starbirth radiated outwards from the galaxy’s heart. The results also revealed that most young stars in the densely packed galactic center formed with only loose associations and drifted further apart over the course of … Read more

Fibonacci laser blasts atoms to make an ‘extra’ time dimension

By firing a Fibonacci laser pulse at atoms inside a quantum computer, physicists have created a completely new, strange phase of matter that behaves as if it has two dimensions of time. The new phase of matter (opens in new tab)created by using lasers to rhythmically jiggle a strand of 10 ytterbium ions, enables scientists … Read more

Open-source software enables researchers to visualize nanoscale structures in real time

Nature Communications (2022). DOI: 10.1038/s41467-022-32046-0″ width=”800″ height=”463″/> This rendering of platinum nanoparticles on a carbon support shows how tomviz interprets microscopy data as it’s created, resolving from a shadowy image to a detailed rendering. Credit: Jonathan Schwartz et al, Nature Communications (2022). DOI: 10.1038/s41467-022-32046-0 Computer chip designers, materials scientists, biologists and other scientists now have … Read more

China launches spaceplane for second time as part of double header

Two launches were conducted from China in the last 24 hours on what was a busy day in spaceflight. The day started at 03:08 UTC with the launch of the Ludi Shengtai Xitong Tanjiance (TECIS – Terrestrial Ecosystem Carbon Inventory Satellite) payload, on board a Chang Zheng 4B. Later, a second flight of the Chinese … Read more