Ever wondered why the sky is blue? It's not just a reflection of the ocean! Sunlight, seemingly white, is a mix of colors. As it enters Earth's atmosp ...

Leo sees action as both Mars and Comet Schwassmann-Wachmann 1 move through; plus, spot galaxies and noctilucent clouds in the sky this week.

The astronomers who operate powerful Vera C. Rubin observatory released debut images June 23, 2025, showcasing just exactly what the instrument can do ...

The sun is low on the horizon, so the light has to pass through more of the Earth’s atmosphere. When wildfire smoke is present, the filtering is even stronger, and you can get a deep red or even ...

By the following night, Mars will have officially entered the Spring Triangle, having (just) crossed the imaginary line joining Regulus and Arcturus. The Red Planet will continue to skim along the ...

Mars shining like a red star in the night sky, alongside the blue-tinged star Regulus. These two celestial bodies, though ...

Look to the east before sunrise on June 22 to catch the delicate form of the crescent moon shining with Venus alongside the Pleiades star cluster.

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

Despite its name, you shouldn't expect the moon to visually look pink or red in color as it rises above the horizon.

The colors in the rainbow spectrum are arranged according to their frequencies: Violet and blue light have higher frequencies than yellow, orange, and red light. When the white light from the sun ...

Strung across the North Atlantic, the 18 islands that form the Faroes are rich in folklore — this is a land where trolls lie buried beneath the sea, elfin people lurk in the hills and shapeshifters ...