The answer depends on many factors, including the amount of fuel needed, the moon's orbit and the mission's objectives.

Astronomy is a lovely undertaking by day or by night, but the sky has delights to offer in the between times as well. When ...

Japan aims to further strengthen its scientific relationship with Europe by applying for membership to the research and ...

American astronaut Don Pettit has just shared another dazzling image captured from the International Space Station 250 miles ...

Meanwhile, humanity’s questions about the future climate are too broad for simulation technology.” For a concrete example of ...

An astronaut on the ISS captured a nighttime image showcasing over 1,300 kilometers of the southern African landscape from Namibia to South Africa. The photo highlights coastal and inland areas, ...

Discover a breakthrough biodegradable composite plastic that combines strength, flexibility, and eco-friendliness.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Jupiter reaches opposition — Earth is between the other planet and the sun — on Dec. 7, when not only is it at its closest and brightest, but it is also viewable all night, rising as the sun sets, and ...

Winter begins with the solstice on Dec. 20-21, at 1:21 a.m., during our longest night. There are plenty of dark skies in ...