How to spot the radiant point for the Delta Aquarid meteor shower, going on now. Plus … why meteors in annual showers have radiant points.
The star Skat is the 3rd-brightest in the faint constellation Aquarius.
Yellowstone supervolcano could deposit ash across the U.S. Northwest, clogging rivers and streams and affecting agriculture. How much advance warning might we have?
Binoculars reveal Epsilon Lyrae as a double star – two stars in one. A telescope shows that each component star is also a double. The double double star!
Higher global temperatures combined with higher global incomes mean more air conditioners. But what do more air conditioners mean?
A housing complex in Thailand with air conditioners. Image via Chaiwat Subprasom/Reuters
A new study has found that bird brains have significantly more neurons than do mammal – even primate – brains of the same mass.
Image via Vanderbilt University
The sun emitted 3 mid-level solar flares on July 22-23, 2016. This is what NASA’s Solar Dynamics Observatory saw.
Image via NASA/SDO
Three of the 5 planets are easy to see. Two aren’t so easy. Charts and info here that can help you see all 5 planets together in late July and early August, 2016.
Not all experts agree that the white whale spotted off Australia’s east coast on Tuesday was the beloved Migaloo. But most are adamant it was.
Rare white whale - believed to be the whale known as Migaloo - making its way northward along the Australian coast on July 26, 2016. Video still via @7NewsQueensland on Twitter.
Fun time to see a last quarter moon: just after it rises, shortly after midnight. Then the lighted portion points downward, to the sun below your feet.
The moon was almost exactly at last quarter when Jenney Disimon in Sabah, North Borneo captured this photo on July 27, 2016 (5:30 a.m. local time, or July 26 at 21:30 UTC).