The crest of the moon's full phase comes on June 17, 2019, at 8:31 UTC. On both June 16 and 17, the moon will appear full to the eye as it shines close to the king planet Jupiter all night long.

Guy Ottewell lives in England. His illustrations of 3-dimensional space are illuminating. Long summer twilights, explained.

These next several evenings - June 14, 15 and 16, 2019 - watch for the moon to sweep to the north of the red supergiant star Antares and then the king planet Jupiter.

What is ball lightning? Scientists have been trying to figure that out for hundreds of years, and now it seems they may finally be close to solving one of Earth's most intriguing natural mysteries.

From the International Space Station, NASA astronaut Christina Koch snapped this image of the planet Venus at sunrise on May 31.

An old lighthouse stands out against the sky in Montauk, New York.

The American Astronomical Society - chief organization for US astronomers - said it is in conversations with SpaceX about the impending launch of 12,000 Starlink satellites. The astronomers worry the satellites will interfere with their work of understanding the universe.

Nearly 100 countries have already signed up to organize national campaigns, to provide the public with an opportunity to vote. The deadline is July 30 to express interest in organizing a national campaign. The IAU will announce results in December.

The search for life on Mars usually involves looking for past or present microbes, invisible to the eye. Scientists at University of Illinois suggest searching instead for a type of rock formation known on Earth to be created by microbes.

They're not the brightest planets in the sky now, and they're visible only briefly after sunset. But - around June 17, 18 and 19 - Mercury and Mars will have the closest conjunction of 2 planets for 2019.