Airplanes could be at risk from falling debris as the Earth’s orbit continues to fill with discarded rockets and old satellites, warn experts. “The uses of...
The only references we have for “life” are the forms we know on Earth. Astrobiologists suspect that the search for alien life, and even for the...
An expert in software tracking objects in space says that a SpaceX rocket booster is “certain” to impact the moon in a few weeks, marking what...
A UC Riverside astronomer and a group of eagle-eyed citizen scientists have discovered a giant gas planet hidden from view by typical stargazing tools. The planet,...
NASA wants to test out a laser again in space to speed up space communications and is planning to launch its Laser Communications Relay Demonstration (LCRD)...
Although thousands of planets have been discovered in the Milky Way, most reside less than a few thousand light years from Earth. Yet our Galaxy is...
Bennu is one of the most hazardous known asteroids in our solar system. Thanks to a visit by a NASA spacecraft, scientists have a much greater...
The Milky Way is a big place. There are an estimated 200 billion stars, most of them with one or more planets. As a result, in...
If there were alien civilizations in other star systems, would they be able to detect our presence here on Earth? This is a question that could...
The surface of the sun churns with energy and frequently ejects masses of highly-magnetized plasma towards Earth. Sometimes these ejections are strong enough to crash through...
A team of astronomers from the European Southern Observatory (ESO) and other institutes has discovered a black hole lying just 1000 light-years from Earth. The black...