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.
Parts of Earth's magnetic field work in reverse compared to what long-standing models predict, new research suggests.
A European Mars orbiter spotted barcode-like dust streaks on the slopes of Apollinaris Mons, revealing how tiny avalanches help drive the Red Planet's massive dust cycle.
This image captures Comet Lemmon in dramatic fashion, its bright coma and faint tail arcing across the starfield.
The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.
Scientists just 3D printed human muscle tissue in microgravity conditions. The ultimate goal is to make organs in space.
"Solar Orbiter can now provide this missing piece of the puzzle."
