A large explosion happened on May 18 at Hawaii's Kilauea Volcano, and, at that time, the 1st serious injury was reported. USGS warned of the release of toxic gases in a plume called a laze, which happens when molten lava hits sea water. Images and videos here.

A squall line of severe thunderstorms swept over New York City and the surrounding area last Tuesday, creating dramatic skies.

The returning moon and brightest planet were near each other in the sky the last 2 evenings. Don't miss these gorgeous photos from the EarthSky community.

Photographer Walter E. Elliott captured this image from Michigan's Grand Haven North Pier on May 14, 2018.

On spring mornings, from either hemisphere, you can't easily see Mercury. Peter Lowenstein in Mutare, Zimbabwe - 19 degrees south latitude, where it's autumn now - shares this month's excellent Southern Hemisphere view of Mercury, as the old moon swept past.

At a meeting of experts in London last week, citizen scientists Gerald Eichstädt and Seán Doran wowed the audience with this new composite, plus a new dazzling animation, of the giant planet Jupiter.

In the darkness of the distant universe, galaxies resemble glowing fireflies, flickering candles, or sparks floating up from a bonfire.

Those were the words of astrophotographer Yuri Beletsky, who captured this image on May 10 from Las Campanas Observatory in Chile.

Venus and Jupiter are the sky's 2 brightest planets, and they hang on either side of your sky now - Jupiter in the east and Venus in the west - shortly after the sun goes down.

Ladd Observatory is located at Brown University in Providence in the U.S. state of Rhode Island.