Hummingbirds can fly up to 20 miles (32 km) in a day and are now traveling north, some all the way from Central America to Canada and even Alaska. This beautiful hummingbird was captured feeding from blossoms in California this week.
Astronomers have detected a "Goldilocks" or intermediate-mass black hole. It's not small, not supermassive - but right in the middle - and it "sheds light" on how the supermassive black holes got so large.
When the TESS planet hunter launched nearly 3 years ago, some 4,000 exoplanets were known. NASA confirmed in late March that TESS has discovered over 2,200 additional exoplanet candidates orbiting distant stars.
What's a mineral moon? In this case, it's a photo of our moon with the colors of its surface enhanced to reveal the moon's mineral deposits. As an added bonus, here's a mineral moon with the International Space Station passing by!
On the mornings of April 1 and 2, 2021, watch for the waning gibbous moon to be in the vicinity of red Antares, the brightest star in the constellation Scorpius the Scorpion.
Researchers uncovering eyewitness accounts of powerful solar storms of the past say we should expect at least one super-storm from the sun per century.
The king planet Jupiter reaches its equinox on May 2, 2021, an event that always causes mutual events of Jupiter's 4 major moons. It's an eclipse season of the moons.
Lightning strikes - perhaps a quintillion of them, occurring over a billion years - might have provided sparks of life for the early Earth by unlocking phosphorus, says new research.
This spectacular image features spiral galaxy Messier 106 and its diminutive neighbors, as well as a dense field of background galaxies and foreground stars.