A pair of NASA spacecraft ultimately destined for Mars will study how its magnetic environment is impacted by the Sun. The mission also will help the agency prepare for future human exploration of ...

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white dwarf star questions how Halla could exist. Credit: Space.com | animation ...

In a surprising twist to our understanding of exoplanetary systems, astronomers have uncovered three Earth-sized planets ...

NASA found what looked like a planet, but its behavior was bizarre. Turns out, Einstein saw it coming, 88 years ago.

The asteroids are as large as around 75 and 91 feet in diameter, according to the Center for Near Earth Object Studies.

Scientists have identified three Earth-sized planets orbiting two stars in the TOI-2267 system. Remarkably, planets transit ...

At a young age, we're told how the sun warms Earth and makes life possible. That idea sticks with most of us for life. But ...

Researchers present strong evidence for a planet circling two brown dwarfs on a near polar path. The orbit is tilted almost ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

This paper describes the eccentricity, amplitude, phase shift, angular momentum, polarization, radial path, and orbital ...

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but ...

Mars is about to receive a double dose of attention. This weekend, a pair of identical NASA satellites will launch together ...