The effects of spaceflight on the human body are well known, with astronauts seeing some changes to bone density, muscle strength and other physical alterations, such as puffy faces or changes to their eyes. But a new study suggests the changes may go even further – they may cause harm to the immune system and lead to cancer.
NASA's Mars Opportunity rover, which has not communicated with the government space agency since last June when it got swept up in a dust storm that covered the planet, is feared dead. However, NASA isn't giving up hope and is doing anything it can to salvage the craft, including sending new commands and pinging it with a "sweep and beep" in hopes of getting a response.
A mass child sacrifice in Peru that occurred over 500 years ago may have been due to an “El Nino” event. According to archaeologist Gabriel Prieto, the mass grave– which holds the skeletal remains of 132 children and dated between 1400 and 1450 A.D.– may have been made by the Chimu people in an effort to halt devastating weather.
Scientists who said in 2017 that sheep could recognize human faces from photos may be feeling a little sheepish right now, after experts questioned one of their conclusions.
A chunk of Earth that could be 4.1-billion-years-old and is described as the planet's "oldest rock," may have been found and dug up on the Moon by Apollo astronauts, according to a new study.
Famous British naturalist Sir David Attenborough had words of warning for the economic heavyweights gathered in Davos, Switzerland, this week: Climate change has already dramatically altered the Earth.
In a bizarre and instinctual survival tactic, alligators that normally lurk in a swap in eastern North Carolina are now frozen beneath the murky water. Every inch of the reptiles’ scaly bodies are frozen -- expect for their snout.