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

Not even soaking rain can ease fire risk in a California hit by record heat, dry landscape

by Hayley Smith and Alexandra E. Petri Credit: CC0 Public Domain A summer of drought, extreme heat and deadly wildfires will end with much-needed rain this week in parts of California, but it is unlikely to douse the threat of wind-driven fires this fall in a state scarred by record-setting heat waves and bone-dry landscapes. … Read more

Space debris is coming down more frequently. What are the chances it could hit someone or damage property?

A piece of presumed space debris sits upright in a field in Australia. (Image credit: Brad Tucker, author provided) This article was originally published at The Conversation. (opens in new tab) The contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Fabian Zander (opens in new tab)Senior Research Fellow in Aerospace Engineering, University of … Read more

Solar storm to hit Earth’s magnetic field on July 21

The sun at 13:32 on July 15, 2022, just as the filament that resulted in the solar flare begins to detach. Credit: Helioviewer Something is happening to the sun. One of the regions of the solar atmosphere currently exhibiting sunspots caught the attention of observatories on July 11, when there was a sudden increase in … Read more

You can see Where JWST Took a Direct hit From a Micrometeorite on one of its Mirrors

The world is still releasing from the release of the James Webb Space Telescope‘s (JWST) first images. These provided a comprehensive overview of the kind of science operations that Web will conduct over its 20-year mission. They include the most sensitive and detailed look at some iconic astronomical objects, spectra from an exoplanet atmosphere, and … Read more

New technique shows in detail where drug molecules hit their targets in the body

A team at Scripps Research invented a new method, called CATCH, that shows how drugs hit their targets in the body. Cells targeted by a drug (pargyline shown in cyan) can be identified by multiple rounds of immunolabeling (red showing neurons; yellow showing dopaminergic/noradrenergic neurons; blue showing cell nuclei). Credit: Scripps Research Scientists at Scripps … Read more