The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

American biggies are joining hands with Chinese companies. AbbVie signed a deal with Simcere Zaiming for a multiple myeloma ...

SpaceX has used partnerships with telecom companies to expand Starlink into new markets. Starlink's direct-to-cell service ...

SpaceX (SPACE) contends in a comment to the U.S. Trade Representative that Starlink suffers from a significant disadvantage ...

The Cboe total put-call ratio tracks trading activity in bearish put options compared with bullish calls. It's a popular gauge of market sentiment. Recently, the lack of a pickup in demand for puts ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...