Researchers at the University of Vermont conducted a study of Twitter users who visited parks and found it elicits the same feelings of happiness as Christmas day.
Based on an experiment, researchers found no evidence that the fifth force acts on unknown matter.
Data from Spitzer has been used to provide information about an exoplanet's surface for the first time ever.
With its planned lunar landing for 2024, NASA is looking for ways to send supplies to its astronauts.
Scientists have discovered something new about the bright green glow in some sharks.