A rocky planet less than half the mass of Earth seems to have an atmosphere made almost entirely of sulphur dioxide – this ...

Roughly 4.6 billion years ago, the Sun was born from the gas and dust of a nebula that underwent gravitational collapse. The ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

The rocky object called Bennu is classified as a near-Earth asteroid, currently making its closest approach to Earth every ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the far side of the moon — the side that always faces away from Earth — near the lunar south pole, where ...

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

Scientist have concluded water did not arrive as early during Earth's formation as previously thought, an insight that bears directly on the question of when life originated on the planet. The finding ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

A newly confirmed exoplanet around a nearby sunlike star might be astronomers’ best chance yet to look for life beyond the ...

NASA’s OSIRIS-REx mission returned from space with a sample of an asteroid named Bennu and scientists got to dive into a tale ...