Stay updated with breaking news from Davidl Shuster. Get real-time updates on events, politics, business, and more. Visit us for reliable news and exclusive interviews.
Exploring an ancient river delta in a crater on Mars, NASA's Perseverance rover has collected samples of two rocks that are chock-full of carbon-based molecules that could be remnants of ancient life.
Rocks collected by Perseverance are filled with organic molecules, and they formed in a lake that would have been habitable a few billion years ago.
New research provides further evidence that rocks representing up to a billion years of geological time were carved away by ancient glaciers during the planet's "Snowball Earth" period, according to a study published in Proceedings of the...