The orbital eccentricity of Comet 3I/ATLAS is an incredible 6.15, well beyond the threshold of 1 that marks escape from the ...

The ebb and flow of Pleistocene glacial cycles is not random; it follows a predictable pattern dictated by the distinct and deterministic influence of Earth’s orbital geometry, according to a new ...

As atmospheric observations of exoplanets become increasingly precise, it is more important than ever to correctly account for the effect of starspots on host stars. An ideal opportunity to study ...

The new spectrograph on Chile's SOAR telescope captures Eta Carinae with unprecedented precision, revealing the secrets of massive stars.

Abundant geological evidence demonstrates that Earth's climate has experienced millennial-scale variability superimposed on glacial-interglacial fluctuations through the Pleistocene. The magnitude of ...