Nadir Crater: The Other Dino-Killer?

Guest “Geology Rocks!” by David Middleton Impact Crater off the African Coast May Be Linked to ChicxulubThe underwater crater, spotted serendipitously in commercial observations of seafloor sediments, is believed to…

NASA’s OSIRIS-REx Spacecraft Heads for Earth with Asteroid Sample

After nearly five years in space, NASA’s Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) spacecraft is on its way back to Earth with an abundance of rocks and…

NASA Analysis: Earth Is Safe From Asteroid Apophis for 100-Plus Years

Estimated to be about 1,100 feet (340 meters) across, Apophis quickly gained notoriety as an asteroid that could pose a serious threat to Earth when astronomers predicted that it would…

Asteroid 2001 FO32 Will Safely Pass by Earth March 21

Called 2001 FO32, the near-Earth asteroid will make its closest approach at a distance of about 1.25 million miles (2 million kilometers) – or 5 1/4 times the distance from…

Bennu’s Boulders Shine as Beacons for NASA’s OSIRIS-REx

From NASA This summer, the OSIRIS-REx spacecraft will undertake NASA’s first-ever attempt to touch the surface of an asteroid, collect a sample of it, and safely back away. But since…

Revisiting Day One of the Cenozoic Era

Guest geology by David Middleton Cenozoic Era: The Era of New Life Who would have ever guessed that details about the first day of the Cenozoic Era might have been…

Large Synoptic Survey Telescope gets big funding boost from Republicans and the NSF’s and AAASA’s ungrateful responses.

Guest commentary by David Middleton Back in March, Eric Worrall authored a nice post about “climate scientists running for congress.” Eric’s subject was a really goofy Clean Technica article about Joseph Kopser,…

Stupidest global warming/climate change story of the past decade

While Matt Ridley makes mincemeat of über alarmist Joe Romm’s latest ridiculous claims, I started doing a search for stories to do a “year in review” for such things. I…