Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

Las Vegas locals began a project in the 1990s to protect a geological marvel at the edge of town. They made educational signs ...

Shillong, called the Scotland of the East for its scenic beauty, is a hill-station located in northeastern India. Renowned ...

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

The world's largest telescope continues to take shape on the Cerro Armazones mountain in Chile's Atacama Desert.

Depending on weather and clouds, rocket launches from Kennedy Space Center or Cape Canaveral can be seen from Daytona Beach ...

During guided outings in a small motorboat along a Malaysian river, we would also see purple herons, endangered storks, and — a highlight of the trip — an orangutan.

My alarm went off far too early, but I rose from bed and then ascended — in the dark, in a van on winding roads — Pico do ...

During a full lunar eclipse, as the Earth moves between the sun and the moon, it blocks the light that would usually ...

Stargazers are preparing for the arrival of the first blood moon lunar eclipse of the year, with people having the chance to ...