Unlike Earth’s oxygen-rich atmosphere, Mars’ is comprised mostly of carbon dioxide (CO2). Mars’ glow occurs from a breakdown in these CO2 molecules.

The European Space Agency's Trace Gas Orbiter (TGO) spotted an emerald glow in Mars' wispy atmosphere, marking the first time the phenomenon has been spotted on a world beyond Earth, a new study ...

The Bay Area emerged Thursday from its one-day transformation into Mars, as the fiery red-orange glow that blanketed the region gave way to a more typical gray overcast. By this weekend, it may ...

The sky over the Bay Area has a strange yellow glow this week. There's clearly wildfire smoke in the air — as there has been for three weeks — but the sooty conditions seemed different than in ...

However, instead of going down to the ground, they go up in the atmosphere, reaching 50 to 90 kilometers (30 to 55 miles) – almost the conventional edge of space.

Richard Garbie: “Glow in the Park is a hot air balloon Glow.” Now through Sunday, but Glow in the Park has the most Miami twist imaginable: DJs will be spinning from the balloons, in the air.

This ambipolar electric field is as fundamental to Earth as gravity and the magnetic field, and is the source of the flow of atmospheric ions into space known as the polar wind.