Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

The best opportunity to potentially see all seven planets is coming up on Feb. 28 around 6:10 p.m. ET, according to Shanahan. Mercury, which is the closest planet to the sun, would be the first to be ...

A new study claims that a mineral found in Mars' dust called ferrihydrite, which forms in the presence of cool water, is likely what gives the planet its reddish hue.

Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...

Celebrate your love for the planet we call home with these free Earth Day coloring pages for kids and adults. Print them for ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

Mars has fascinated people for centuries, not only because it is our closest neighbor in space but also because of its ...

NASA scientists are using airborne technology to track flowers from above, offering new insights into seasonal plant cycles.

Scientists have discovered evidence that Earth's oceans were once green, hinting that this could be a marker of early life, ...

MAROON-X looks for one such effect; the gravity of each planet tugs slightly on the star's position, meaning the star seems to wobble back and forth. MAROON-X measures the color of the light so ...

The JWST has spotted the presence of carbon dioxide on HR 8799’s four known planets, part of a system astronomers use to ...