Several of the Earth’s systems are changing faster than predicted as global temperatures rise, scientists say.

NASA’s Parker Solar Probe completed its 27th close approach to the Sun on March 11, again matching its record distance of 3.8 million miles (6.2 million kilometers) from the solar surface.

The latest evidence that Mars was once a warmer, wetter world comes from a surprising place—the hidden subsurface depths of ...

Using ground-penetrating radar, NASA's Perseverance rover has detected underground remains of an ancient river delta on Mars ...

NASA’s Parker Solar Probe has flown through the Sun’s corona again, completing its 27th close approach to the star and once ...

In one of the biggest surprises of NASA's OSIRIS-REx mission, its target asteroid, Bennu, turned out to be a jagged, rugged ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...

A rugged Martian landscape that resembles a vast spiderweb when seen from orbit is offering new insights into the planet’s ...

Biofilms are communities of microorganisms that stick to one another and also adhere to a nearby surface. They are ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

The surface of asteroid Bennu has long left questions for scientists after a NASA planetary science mission showed the asteroid was actually more rough and jagged than previously expected.

It remains difficult to anticipate the size of ice chunks falling from the sky, and even estimating how hail melts as it ...