Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.33 billion years ago, during the Great ...

New research data using NASA’s Juno spacecraft shows Jupiter is slightly smaller and flatter than decades-old estimates.

Scientists have spent decades searching for the final resting place of Luna 9, the first spacecraft to soft-land on the moon. Now they’re on the cusp of finding it ...

Using high-precision radio-occultation measurements from NASA’s Juno mission and incorporating the effects of zonal winds, ...

Scientists at the University of Southampton have uncovered evidence from ancient rocks that the Earth’s climate continued to ...

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

Scientists with expertise in geophysics at Washington State University have developed an alternative pathway for the ...

A newly detected gravitational wave, GW250114, is giving scientists their clearest look yet at a black hole collision—and a powerful way to test Einstein’s theory of gravity. Its clarity allowed ...

Explore this North Carolina science museum where interactive exhibits, dinosaurs, and hands-on fun make learning an adventure ...

And as detailed in a new paper, published in The Planetary Science Journal last month, they found something surprising down there: Jupiter appears to contain one-and-a-half times as much oxygen as the ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...