The mission will send up to 1,000 one-gram ash vials into low Earth orbit aboard a Falcon 9 rideshare, with memorial slots priced at $249.

A shifting of Earth’s poles, referred to as ‘True Polar Wander,” combined with the sinking of tectonic plates during the Cenozoic Era, altered the planet’s interior, with rising hot mantle material ...

The last time the sun's face was perfectly spotless was on June 8, 2022, more than 1,355 days earlier. The sun's visible disk ...

An equinox is a phenomenon that occurs twice a year — once during the spring equinox and once during the autumn equinox. In ...

Though the first day of spring is debatable, depending on who you talk to, what's not up for debate is that spring will begin ...

What is a planetary retrograde? And what connection does it have to astrology? We explain how planets move across the sky.

A strange metal rich asteroid called Psyche may be the exposed core of an ancient failed planet, and NASA’s mission could finally reveal what lies beneath its battered surface.

Discover the simple science behind why a lunar eclipse follows a solar eclipse. Learn about the Moon's tilted orbit and how ...

A quirk of the retrograde is enabling anyone closely working with communications to do edits and re-drafts on their material ...