Earth’s tilt is what causes the seasons; in the summer, when our planet’s pole is tipped toward the sun, the days are longer, ...

A new study investigates the environmental factors affecting the occurrence and state of palsa mires, as well as the ...

Towards the end of the month, Mercury will be visible in the western horizon, the space agency said. Californians can observe ...

Last year, the average level of carbon dioxide rose faster over the previous year than at any other point since the ...

Triangle asterism is rising earlier as we approach Northern Hemisphere summer. Catch it in the east this evening.

We should keep our eyes to the skies next week to catch a glimpse of the final full moon of spring in the Northern Hemisphere ...

ALBANY — A large-scale geomagnetic storm was predicted to sweep across the Northern Hemisphere Monday night, but most New ...

Space weather forecasters say northern lights may be visible in parts of the northern United States following weekend solar ...

Moon marks the halfway point between the New Moon and the Full Moon. It appears as a half-illuminated disk with the right ...

The private ispace Resilience lander is ready for a moon landing attempt at 3:17 p.m. ET on Thursday (June 5).