Chun Wang, a Chinese-born crypto entrepreneur, paid an undisclosed amount for the mission. Some satellites are already in polar orbit, and researchers called it a routine flight.

being visible during its 88-day orbit for only "a couple of weeks at a time" each year. The line-up of three evening planets in the southwest twilight sky, on Dec. 17, 2021, with Jupiter at top ...

Satellites and chunks of space junk come close to colliding on a regular basis. The situation could get dangerously out of control.

Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.

The spacecraft flies on an unusual elliptical orbit of Jupiter, which takes it far from the planet only to swing in close every 43 days. It was formerly 53 days, but its recent flyby of Ganymede m ...

The first Landsat series satellite was launched by NASA in the summer of 1972 with the aim of tracking changes in the Earth's ...

In fact, previous studies have claimed that even a tiny shift in Jupiter’s orbit could have bizarre effects on Earth. But what if we put an entire planet between Jupiter and Mars? According to ...

The Mars cycler concept was proposed in 1985 by Buzz Aldrin as a way to establish a long-term human presence on the Red Planet. Put simply, it describes an orbit that would allow a vehicle to ...