Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

A NASA mission, IMAP, will investigate and map the sun's particles and energy across the entire heliosphere, using a ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...

Most of these planets are about the same size and spaced ... in many cases closer than Mercury is to the Sun. Our solar system, in contrast, appears to be different. “[Planetary scientists ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...

Neptune's elusive auroras have been finally revealed thanks to the James Webb Space Telescope. Astronomers scouring through ...

Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun 's closest space neighbor, Proxima ...

“It’s like putting your thumb in front of the sun when you look ... “If these huge planets act like bowling balls cruising through our solar system, they can disrupt, protect or, in a ...

Neptune lies in the frigid, dark, vast frontier of the outer edges of our solar system, about 3 billion miles away from the ...

Even though Venus moves between the Earth and sun every 19.5 months, it becomes visible after sunset and before sunrise only ...