Letters to the editors for the May 2025 issue of Scientific American ...

Ten years ago, science confirmed one of Albert Einstein’s most elusive predictions: the existence of gravitational waves. Now ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

Astronomers have recently made an exciting discovery: an exoplanet, merely 12 light-years away from our own planet, is home to liquid water, a crucial ingredient for life as we know it. Understanding ...

A planetary perspective on the relationship between life and energy, and the emergence of a life form whose influence extends ...

NASA has responded to claims – popularized by Harvard professor Avi Loeb – that the interstellar object 3I/ATLAS is a ...

Do we know what space actually smells like? And what about other planets, moons, and celestial bodies? Here's what the ...

In Outer Wilds, however, exploring the vast nature of space isn’t nearly as scary as it is beautiful and life-changing. As ...

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit ...

A detailed study of a cosmic mystery known as "The Accident" has now provided new insight into the formation of clouds on ...

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

Astronomers have discovered something that shouldn't exist: a galaxy so jam-packed with stars that they smash into each other about once a month.