A new study shows TOI-270 d is a fiery rocky exoplanet, offering fresh insight into the galaxy’s most common planet type.

The four novice space explorers will climb into SpaceX’s Dragon capsule named Resilience and become the first humans to do a 90-degree circularized orbit, or polar orbit. He said this will be a ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life.

A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in ...

A faint cosmic spin – one rotation per 500 billion years – could resolve the stubborn Hubble tension by tweaking standard ...

A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is ...

A Southwest Research Institute-led study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, ...

A Southwest Research Institute-led study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, ...

More information: A. Carmona et al, Characterizing planetary systems with SPIRou: Detection of a sub-Neptune in a 6 day ...

Neptune, one of the farthest planets from the sun, has the longest orbit, with one year lasting 165 Earth years.

The entire constellation should be in orbit by 2030, according to Cal Fire. The FireSat effort isn't the only project to watch for wildfires from orbit. OroraTech launched its first wildfire ...

Since Earth’s orbital environment is a finite resource, satellites that remain in their operational orbit at the end of their mission are at risk of fragmenting into dangerous clouds of debris ...