The last perihelion occurred on Wednesday ... system and the third brightest celestial object after the sun and the moon.

New information is pushing Asteroid 2024 YR4 off of our front pages. Initial estimates gave it a 2.8% chance of striking ...

Another name for this bright lunar display is the Hunger Moon. That name also makes historical ... it’s closest to the sun (known as perihelion). Its cold is caused by Earth’s axial tilt.

The Moon’s distance from us is increasing by ... It moves fastest when at perihelion (its closest point to the Sun, around Jan. 4) and slowest at aphelion (farthest from the Sun, around July ...

Unlike other planets that have a more or less circular, equatorial orbit around the sun, Pluto’s is sharply inclined and highly elliptical, with a perihelion, or close approach to the sun ...

with a perihelion, or close approach to the sun, of roughly 2.7 billion miles, and an apehelion, or furthest remove from the sun, of 4.67 billion miles. That, plus Pluto’s small size—smaller than our ...

Reporting on missions to the moon and beyond. NASA is aiming to send astronauts back to the moon, because that is what President Trump set as the destination of the agency’s human spaceflight ...

(NEXSTAR) – A treat awaits sky gazers in the month of March – the moon will take on a deep, reddish hue as it slips into the Earth’s shadow during a total lunar eclipse. The celestial ...

We tend to think of the moon as a cold, dusty rock, but in fact, its surface can get pretty hot during a lunar day. How hot? It turns out that the answer can vary dramatically over a very short ...

Editor's note: The Full Snow Moon is already putting on quite the show for skywatchers worldwide, we've rounded up some of the best full moon photos in our February full moon photo roundup story.