For the first time, the European Space Agency has tested a novel air-breathing electric thruster that could allow near-Earth orbiting satellites to stay in space almost indefinitely.

The death of iconic physicist Stephen Hawking Wednesday (March 14) has spawned an outpouring of respect and emotions from scientists the world over.

According to new research, global sea level isn't rising steadily — it's getting faster every year.

Scientists used a giant, rotating pot to simulate the atmosphere of Saturn, and they may have figured out how the gas giant's massive polar storms take shape.

The little, swiveling robots will look at a new portion of the sky for the invisible force called dark energy that may be causing the accelerating expansion of the universe.

An interstellar object called 'Oumuamua has confounded astronomers ever since it passed through our solar system in October of last year.

A tweet from Elon Musk may have been a little fuzzy on the rocket's whereabouts.

Astronauts in space suffer from persistently elevated body temperature, which can reach up to 104 degrees Fahrenheit (40 degrees Celsius) when they exercise, a new study has found.

While it looks like an asteroid, the first interstellar object spotted passing through the solar system, called 'Oumuamua, may be more like a comet in disguise.

A new study makes the bold claim that dark matter might not need to exist to explain strange observations in the universe; but scientists aren't convinced that the study holds water.

Did the universe begin with the Big Bang, or has it been expanding and contracting infinitely? A new study uses black hole physics to argue for the latter.

The European Space Agency has launched the most advanced air pollution monitoring satellite ever built, to map the global distribution of dangerous air pollutants in unprecedented resolution.

A thruster being developed for a future crewed mission to Mars broke several records during a recent testing campaign.

The final resting place of the SMART-1 spacecraft has been found, 11 years after the probe's handlers brought it down on the lunar surface.

For the first time, a voice call has been made via a nanosatellite using a regular smartphone.

Lung tissue samples grown on the International Space Station, which have just arrived back on Earth, could help researchers understand how space travel affects breathing.

For the first time, scientists have proven a phenomenon, called coherent scattering, experimentally with the world's smallest neutrino detector.

An astronaut wandering the moon next year could be able to use a smartphone to call home. A German startup is preparing to set up the first telecommunication infrastructure on the lunar surface.

Testing the resilience of moon rovers on realistic lunar soil could soon be easier than ever, using a new manufacturing technology.