Latest articles by Tia Ghose
Planetary-science cuts in NASA's 2014 budget are shortsighted, scientists say.
A space station particle detector has found hints of dark matter, but experiments deep below the Earth's surface may directly detect it.
A space station particle detector has found hints of elusive dark matter in cosmic radiation.
A sudden drop in cosmic ray intensity suggests that NASA's Voyager 1 spacecraft is in a new region of space.
Physicists have tentatively detected several particles that could reveal how radioactive heat inside the earth could influence earthquakes
Hypervelocity stars similar to our sun could shed light on star formation in the dust-shrouded center of the Milky Way.
At the current pace, it will take decades to find asteroids close enough to Earth to mine for resources.
From frogs and turtles to monkeys, chimps and rabbits, the animal kingdom has seen its fair share of space.
Long-term space experiments on animals can help assess the feasibility of interplanetary travel.
The nine warmest years since 1880 have occurred since 2000, revealing a trend of global warming.
Using cast-off military spy telescopes may improve the search for dark energy, but it won't necessarily be cheap.
Astronomers probing a distant galaxy have found a few tentative traces of a prebiotic molecule called hydroxylamine that could potentially seed life on other planets
Lights from nearby cities and towns are obscuring the night skies for even remote telescopes, but simple measures can reduce the impact.
Several planets the size of Jupiter or smaller could lurk between the asteroid belts of Vega.
Kitt Peak Observatory and the Very Large Baseline Array could see big cuts in funding from the National Science Foundation.
The strangely bright black holes are tucked in a galaxy 7 million light-years away.
A beautiful image of Cassiopeia-A taken with a new X-ray space telescope reveals the explosive death of a star in unprecedented detail.
The spectacular outburst is 10 times brighter than the biggest supernova.
Researchers want to fly a spaceship into a small asteroid called Didymos to see if its path is deflected.
The underground blast sends traceable waves into the upper atmosphere.
New, hidden laws of nature may govern both the growth of brain or social networks and the expansion of the universe
