Voyager 1 is about to cross a threshold that sounds almost mythical: within about a year, the spacecraft will be a full light ...

Eros appears to buzz the Andromeda Galaxy, courtesy of a livestream hosted by the Virtual Telescope Institute in partnership ...

Make sure your angles are in units of radians (not degrees), where 2π radians = 360 degrees. But after that you will get the ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

I t’s time to say hello to an old friend again. The first near-Earth asteroid ever discovered by humans, 433 Eros, will have a close fly-by of Earth this weekend, and it should stay visible for a few ...

A newly proposed type of supermassive black hole surrounded by a dense gas shell may account for the small red dots seen in ...

Our Sun, that steady burning ball of gas that has faithfully illuminated Earth for billions of years, is slowly but ...

At least some evidence suggests that NGC 2775 developed its odd shape after merging with other galaxies eons ago. While not ...

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado ...

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

Last year, the most violent geomagnetic storm to strike Earth in over two decades did more than disrupt GPS systems and ...

A geomagnetic superstorm is an extreme space weather event that occurs when the sun releases massive amounts of energy and charged particles toward Earth. These storms are rare, occurring about once ...