This isotope is found at a ratio of about one per 2,500 helium-4 ions, the latter being the common version of helium.

It sounds like something from a science fiction movie, but Stephen Eisele is confident that one day his company will open a ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

An astral animated TED-Ed lesson written by Elise Cutts explains how the tides on Earth are impacted both by the sun and the ...

The time of the full moon will be at 00:22 UTC on April 13, which is four hours ahead of Eastern Daylight Time. The date is ...

But because the moon's orbit is slightly tilted relative to Earth's orbit around the sun, it doesn't block out the sun on every orbit, hence why not every new moon results in a solar eclipse ...

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

NEW YORK (AP) — Venus will pass between the Earth and sun on Saturday during what’s called an inferior conjunction. But don’t plan on seeing the linkup. The sight is extremely difficult to spot ...

Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under sunlight. Thanks to the Moon’s orbit around Earth ...

The final piece of an advanced series of weather satellites officially began operating Tuesday to help provide better ...

Putting data centres in space – either in orbit around Earth, or on the Moon - the theory goes ... or-less unlimited energy available from the sun, for example, and no neighbours to complain ...