A four-person crew is about to take off from SpaceX's NASA Kennedy Center in a Dragon capsule, in a world first to orbit ...

Polar orbits are favoured for their ability to map the entire Earth's surface over time, making them critical for weather ...

A four-person crew will spend three to five days aboard a SpaceX capsule orbiting above the poles of Earth — a flight path ...

Outrageous? Yes. But a United States of all Americas and including Greenland would be the first truly planetary North-South ...

Observers across eastern North America and much of Europe will have front-row seats to the striking partial solar eclipse on March 29. Here's what to expect.

The James Webb Space Telescope has successfully detected auroras on Neptune for the first time ever, finishing a job that ...

Astronomers track the sun's 11-year cycle by counting sunspots. Also, we're expecting a strong geomagnetic storm and aurora ...

Thursday marks the vernal equinox, or the first day of spring, in the northern hemisphere — even if the weather in Michigan ...

Discover the significance of the spring equinox, the balance of day and night, and how cultures around the world celebrate ...

Spring equinox means the first official day of spring is here. Discover the science and traditions of what’s also called the ...

As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.