At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

Why don't planets fall into the stars they orbit if they're constantly being pulled by gravity?Lindsey CoughterRocky Mount, ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Among other things, the James Webb Space Telescope is designed to get us closer to finding habitable worlds around faraway ...

You're not imaging it. The sun has been rising later in Illinois following the winter solstice. But the days aren't getting ...

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

The findings from Pandora will complement data from the James Webb Space Telescope to give astronomers more insight into ...

A team of researchers tracked an unusually intense region on the sun from its birth to its decay, capturing its activity over ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

Within a few dozen light years of the Sun, the sky is crowded with stars that could, in principle, host living worlds. I want ...