The atmospheric light show nicknamed STEVE may be even weirder than skywatchers thought. STEVE, short for Strong Thermal Emission Velocity Enhancement, is a sky glow that appears south of the ...

Of course, we're talking about the aurora borealis, and it'll be visible in 16 states on Tuesday and Wednesday night. Of the ...

The moon's “horizontal glow” is a slim, bright crescent just above the lunar surface, observed by Apollo astronauts. Scientists think this phenomenon comes from lunar dust particles that ...

"It will look like a mostly vertical column or pyramid, in contrast to the horizontal true dawn," Gyuk said. "Look for a soft, triangular, pearly glow that precedes the sun and sunrise." ...

One particular mystery that the new finding could help solve is that of the moon's "horizontal glow". Astronauts from the Apollo missions reported that they were able to see a bright, ...

The moon's "horizontal glow" is a slim, bright crescent just above the lunar surface, observed by Apollo astronauts. Scientists think this phenomenon comes from lunar dust particles that scatter ...

This story was updated July 7 at 1 p.m. ET. When Apolloastronauts first rounded the far side of the moon, they were stunned to find avery bright crescent of light glowing on the horizon at sunset ...