While the headline-making sample from Perseverance’s drill in Jezero Crater may show tantalising biosignature-like features, ...

Ruth Handler, who co-founded Mattel with her husband, Elliot Handler, and Harold Matson in 1945, noticed her daughter, Barbara, playing with paper dolls and dreaming about what kind of woman she would ...

The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even ...