When will we see new images of the mysterious bright spots on Ceres’ surface?
Migrating bands of magnetic fields on the sun produce 2-year variations in solar activity as strong as those in the more familiar 11-year solar cycle.
Since 1975, when Hawking showed that black holes evaporate from our universe, physicists have tried to explain what happens to a black hole’s information.
If Earth didn’t have an atmosphere, then, when the moon was entirely eclipsed within Earth’s shadow, the moon would would appear dark …
Astronomers use the Hubble Space Telescope to examine 8 ethereal wisps orbiting distant galaxies, illuminated by blasts of radiation from quasars.
Two images of a very massive star, made 18 years apart, have given astronomers a real-glimpse of how massive stars develop early in their evolution.
It’s sometimes said that, on a worldwide scale, solar eclipses outnumber lunar eclipses by about a three to two margin. True?
There’s not an eclipse at every new and full moon, but there are from four to seven eclipses every year. Some are lunar, some are solar, some are total, and some are partial.
Three planets easy to see throughout April 2015. Venus and Jupiter at nightfall. Saturn late evening on. Mercury joins after sunset in late April.
NASA’s rocket-powered, saucer-shaped test vehicle soon will fly into near-space. Join an hour-long live, interactive video broadcast on March 31.