The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

The 6%-lit waxing crescent moon will be visible roughly 5 degrees above the horizon as the sun sets on Oct. 23, with Mercury ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically ...

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...

While Mercury, the wily planet of communication, doesn’t station retrograde until November 9th, we’re locked and loaded to ...

While Mercury, the wily planet of communication, doesn’t officially station retrograde until November 9, we’re locked and ...

NASA has discovered Saturn's moon Titan can mix molecules in ways previously thought impossible, shedding light on origins-of ...

When we think of a day, we usually imagine 24 hours. But did you know that not all planets have days that last 24 hours? In ...

A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than the hypothesized Planet Nine.

“Overall, our findings challenge the conventional classification of Uranus and Neptune as ’ice giants’ and underscore the ...

Astronomers have been actively hunting for a ninth planet in the solar system for almost a decade ... Planet Y is likely a ...