The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

NASA shares images of comet C/2024 G3 (ATLAS) near the sun and stunning photos from Jupiter and Mars missions.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

"A parade of planets, also sometimes referred to as a planetary alignment, is when several planets in our solar system appear ...

The six planets were visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, Venus, Jupiter and Saturn should be visible to the naked eye. You'll need a ...

Europe's first spacecraft to be sen to Mercury, BepiColombo, ended its slingshot maneuvers and took its last photos of the ...

On Christmas Eve, an autonomous spacecraft flew past the Sun, closer than any human ... Robotic spacecraft have visited every planet in the solar system, as well as many asteroids and comets ...

NASA’s Parker Solar ... of the sun’s tremendous gravity, the craft couldn’t aim directly at its destination. Since launch, it has been swinging around Venus and using the planet’s gravity ...

The solar system may hold a hidden ... and includes Pluto and dwarf planets. Astronomers believe Planet Nine might be 5-7 times Earth’s size. It could orbit the sun 200 times farther than ...

On New Year's Day, NASA's Parker Solar Probe added to the festive cheer by sending home more good news about its record-breaking closest-ever approach to the sun. On Wednesday (Jan. 1), mission ...

"By studying the sun up close, we can better understand its impacts throughout our solar system, including on the technology we ... wavelength thermal emission from the surface of the planet, opening ...

Jef Janis/NASA Our species called this latest 366-day journey around the sun “2024” and packed ... Every other planet in our solar system can be seen in the sky tonight. Mercury, Venus ...