The best time to catch Mars and Regulus — known as the "Heart of the Lion"— will be just after twilight fades and the stars ...

Triangle is a formation of stellar bodies called an asterism, made up of the bright stars Vega, Deneb and Altair.

From the intense blue sky on Saturn to the red-orange hues of Mars, each world has its own unique atmosphere, offering a visual spectacle like no other. Explore the stark contrasts in planetary skies, ...

A superbright Mars is currently visible alongside Regulus, the "Heart of the Lion" star located around 79 light-years from Earth.

The red planet Mars will be next to bright blue star Regulus this coming week, creating a rare contrast in colors in the night sky. The key night is Monday, June 16.

Earth’s blue sky and familiar sun are just one version of reality. On Mercury, the sun blazes over three times larger than on Earth, while stars dominate the nights without atmospheric interference.

Our satellite hangs out with the heart of the Scorpion, known for its vivid red hue as the Rival of Mars in our sky.

Mars and Romulus will remain close to one another until June 22, when this conjunction officially ends, according to the BBC's Sky at Night Magazine. The conjunction began on June 11.

Regulus is a hot, blue-white star whose temperature reaches some 15,400 kelvins, more than twice our Sun’s surface temperature of nearly 5,800 kelvins. Mars, however, shines with a ruddy, orange ...

Mars shining like a red star in the night sky, alongside the blue-tinged star Regulus. These two celestial bodies, though vastly different, currently offer a strikingly similar spectacle. On June 16, ...

Alien aurora: Images of the Martian sky with aurora on sol 1094 (left) and on a reference sol without aurora (right). Both images show the sky contrasted against nearby terrain. The bright object in ...