NASA’s Lucy spacecraft made a pivotal encounter with the main-belt asteroid Donaldjohanson. Capturing high-resolution images ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

A team of students from the University of Surrey, the University of Portsmouth and the University of Southampton are working ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

The JUpiter ICy moons Explorer (JUICE) of the European Space Agency (ESA) will investigate Jupiter and its icy moons Europa, Ganymede and Callisto, with the aim to better understand the origin and ...

Astronomers have discovered the strange dance that leads to the creation of rare "double hot Jupiters" in binary star systems ...

Some objects were placed in space on purpose, symbolic gestures meant to inspire or amuse. Others were lost by accident, ...

"Each new detection brings us closer to understanding the origins of complex organic chemistry in the universe — and perhaps, the origins of the building blocks of life themselves." ...

Life outside the Earth is one of the biggest "what if" in history, but NASA is trying to put a end to the discussion - or add ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...