And as we talked through a few basic criteria, more people wanted to know: What’s the difference between an asteroid and a comet? A galaxy and a nebula?

The Geospace Dynamics Constellation mission – or GDC – is a team of satellites that will study Earth’s upper atmosphere and provide the first direct global measurements of our planet’s dynamic and ...

The term “constellation” evokes several denotations. The most familiar is “a grouping of naked-eye stars sometimes connected by imaginary lines or superimposed by illustrations to suggest images, ...

If you go to a very dark site on a moonless night—and I cannot recommend it highly enough that you do so—you’ll be faced with an awesome sight: a night sky seemingly brimming with millions of stars, ...

A collaborative robot MDA uses for automated assembly of satellite components and subsystems. Credit: MDA Space TAMPA, Fla. — South Korean conglomerate Hanwha Systems is partnering with Canada’s MDA ...

See dazzling planets, the Milky Way and a trio of celestial animals brightening the spring sky around May's new moon.

For Dr. Ryan Lambert, a Postdoctoral Fellow with the SETI Institute and Unistellar Citizen Science, this year’s International Space Week became a memorable journey to the heart of Rwanda. In ...