- newly discovered comet swan 25b emerges from behind the sun
- strange mineral never seen on earth is found on asteroid sample
- nasa administrator tells agency the US will beat china back to the moon
- radar footage captures missile bouncing off of ufo
- nasa rover finds potential signs of life on Martian rock
- new data suggests exoplanet Trappist 1 could be habitable
- nasa scientist claims mars life was found in 1976
- scientists successfully test artificial gravity chamber
- geologists discover caves in South America with mysterious giant scratch marks
- astronomers discover gamma ray burst that’s never been seen before
