The solar system is moving through space over three times as fast as estimated, calling into question our best model of the universe and its evolution.
New images from the Mars Express orbiter reveal evidence of a past ice age at Mars's mid-latitudes and shine light on the planet's dynamic climate history.
The eruption was accompanied by a CME, which is currently under analysis to assess whether any part of it is headed for Earth.
NASA's twin ESCAPADE Mars probes are on their way to the Red Planet — but it's a circuitous route with a year-long layover.
It's based on the colorful microorganisms that live in the clouds on Earth.
Parts of Earth's magnetic field work in reverse compared to what long-standing models predict, new research suggests.
Scientists may have solved the mystery of an "impossible" merger between two black holes so massive and fast-spinning that they shouldn't even exist, according to current theory.
The supernova was the death of a red supergiant star 500 times larger than the sun, in a galaxy just 22 million light-years away.
"Astronomers have wanted to spot a coronal mass ejection on another star for decades. We’ve now managed to do this for the first time."
The dome of the Gemini North telescope can be seen on top of Mauna Kea in Hawaii, with shimmering star trails and satellite streaks arcing overhead.
