Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the boundary of our solar system.

You can be moving at extraordinary speed and still feel completely stationary. The reason comes down to the difference between velocity and the changes in motion your body can actually detect.

Tiny samples from asteroid Bennu are rewriting scientists' understanding of how our Solar System formed. New evidence suggests that Bennu was born where material from the inner and outer Solar System ...

The two telescopes are different but have complementary capabilities that scientists hope will work together to widen our ...

On Sept. 28, the spacecraft began to use its propulsion system nearly continuously, pausing just once each week to check in ...

This region has been previously imaged by the Spitzer Space Telescope but Webb’s infrared capabilities have presented it like ...

NASA’s Roman Space Telescope could help researchers explore dark energy, find planets beyond our solar system and map distant ...

NASA’s Perseverance rover has shattered a historic space exploration record, traveling farther across another world than any ...

JWST observations of interstellar comet 3I/ATLAS reveal micron-sized, dust-rich water ice grains whose spectra resemble icy ...

Most comets come from the far-off Kuiper Belt and Oort cloud, which lie past the orbits of the outer planets. The ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable.

A sweeping barred spiral galaxy marks the spot in this image, but the real treasure is the gravitational lens in the ...