The X-37B spacecraft’s latest mission was shorter than the last but tried several new maneuvers and approaches during its ...

The Moon will reach perigee, which is the point in its elliptical orbit where it is closest to Earth, on Saturday, March 29.

Space.com noted that most of its payloads remain classified. Space Force said the tests while in a highly elliptical orbit demonstrated the aircraft's "robust maneuver capability." The technique ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

The vernal equinox marks the start of spring in the Northern Hemisphere — so does that mean this is the only day out of the ...

Spain, and the northern hemisphere in general, will be able to see a partial solar eclipse. In Spain, it will begin at 10:48 a.m. and last approximately 21 ...

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets, that ...

The X-37B spaceplane touched down on Runway 12 at Vandenberg Space Force Base, California, at 11:22 pm local time Thursday (2 ...