“One of the basic axioms of the rational theory of decision under uncertainty is Savage’s (1954) sure-thing principle (STP). It states that if prospect x is preferred to y knowing that Event A ...

The Bennu asteroid, a space rock not too far from Earth that is rich in carbon, continues to be a trove of information for scientists keen to learn about how life may have begun in our solar system.

Despite an abundance of data suggesting interstellar object 3I/ATLAS — the third object ever detected ripping through our solar system — is simply a comet, Harvard astronomer Avi Loeb still hasn’t ...

On day one of this administration, the president included his ambitions for Mars in his inaugural address, and again several weeks later to a joint session of Congress: “We are going to conquer the ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights I was preparing for my early morning class back in ...

I have been studying planetary defense, particularly being part of past, ongoing, and future small body missions. I was part of the NASA/DART mission. I am currently part of the NASA/Lucy mission and ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. On December 5, 2020, a small capsule jettisoned from Japan’s ...

Merck’s new formulation of the mega-blockbuster Keytruda, made in collaboration with Alteogen, could help to keep the drug’s patent cliff at bay. In a push to keep the Keytruda gravy train on the ...

This mosaic is made up of more than 100 images captured by NASA’s Viking 1 orbiter, which operated around Mars from 1976 to 1980. The scar across the center of the planet is the vast Valles Marineris ...

On its way out, the NASA administration under former President Joe Biden left its successors revised plans to return curated samples from the surface of Mars, an effort that could reveal whether life ...