While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

The long-standing idea of planets forming in perfectly flat, orderly discs has been challenged by new research. Instead of ...

Three celestial bodies are preparing to meet up for one night in September in a cosmic conjunction that should be widely ...

Lasers aren't just useful for entertaining cats or pointing out features of PowerPoint slides. They can also drill holes on ...

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

It looked like the Sun was heading toward a historic lull in activity. That trend flipped in 2008, according to new research.

A sci-fi idea is gaining supporters, from billionaires to city councils. Whether it's feasible is another matter.

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit ...

Do we know what space actually smells like? And what about other planets, moons, and celestial bodies? Here's what the ...

Saturn will make a particularly brilliant appearance amongst the stars this weekend, according to the Royal Observatory’s night sky highlights for September. It will appear so brightly, that the ...

A planetary perspective on the relationship between life and energy, and the emergence of a life form whose influence extends ...

NASA’s Perseverance rover has recently discovered the biosignature, revealing the possibility of ancient life that once ...