The Bohr model is a neat but quite imperfect depiction of the inner workings of an atom before things got too muddled up by quantum principles.
Five European space missions, including a telescope searching for dark energy, have been left without a launch ticket after Russia stopped supplying rockets to Europe.
Last year's Juno flyby at Jupiter's largest moon Ganymede revealed a surface covered in craters as well as shimmering auroras stretching between the moon's poles and the equator.
The European ExoMars rover is unlikely to launch before 2026, the European Space Agency (ESA) admitted, as it ponders ways forward for the beleaguered mission.
The James Webb Space Telescope's main mirror is fully aligned and performs better than it had been designed for, NASA revealed in a briefing on Wednesday (March 16).
Samples from asteroid Ryugu are the most pristine pieces of our solar system ever studied and contain amino acids that could have given rise to life on Earth.
CERN will not enter new cooperations with Russian scientific institutions following a request of Ukraine's scientists to halt partnerships with Russian science institutions.
A recently discovered asteroid seemed to be on a trajectory to hit Earth next year, but orbit recalculation eventually revealed it will miss our planet.
NASA has awarded a nearly $3.5 billion contract to SpaceX to provide three additional Crew Dragon launches to the International Space Station.
Ukrainian employees of the U.K.-headquartered rocket company Skyrora are helping to defend the space city of Dnipro as it braces for Russian air strikes.
Germany stopped all science cooperation with Russia over its Ukraine invasion, but space station work continues.
Ukraine has a mighty space industry whose Zenit rocket is Elon Musk's favorite. But the country's potential might soon lie in ruins together with its dreams as Russia continues its bloody siege.
Satellites captured images of a massive convoy of Russian military vehicles 40 miles long (65 kilometers) nearing the besieged Ukrainian capital Kyiv.
Europe's ExoMars rover is unlikely to launch in September as a result of sanctions rolled out by European countries in response to the Russian aggression in Ukraine.
Jupiter's atmosphere has a strange composition, but it could be explained if the planet formed farther away from the sun than where it orbits today, a new study suggests.
Europe's space chief said Friday (Feb. 25) that business with Russia continues as usual despite the situation in Ukraine. But it's unclear if the partnership can survive Russia's recent aggression.
A tilted black hole spinning around a misaligned axis has been discovered in our galaxy, challenging theories of black hole formation.
An analysis of light coming from hundreds of thousands of stars in our galaxy , the Milky Way, revealed where chunks of the galaxy came from.
What does the invasion in Ukraine mean for Europe's space partnership with Russia, and can business continue as usual despite European countries rolling out economic sanctions?
All core stage rocket engines on NASA's moon rocket performed as expected in a recent series of tests that followed a replacement of a faulty control mechanism in one of those engines.
The International Astronomical Union (IAU) has launched a new center to fight the threat of satellite megaconstellations, which it now describes as worse than urban light pollution.