NASA has issued an update on its asteroid sample collection mission, officially dubbed OSIRIS-REx, revealing a problem with the container that transported the sample back to Earth. The space agency ...

Under Common Core, parents are likely to see some unfamiliar terms on their children’s elementary-school math homework. Here are some examples drawn from New York state’s math curriculum: –Grade 2 ...

NASA had aimed to collect its first sample of Martian rock using the Perseverance rover yesterday, Friday, August 6, but the sampling attempt didn’t go as planned. The rover failed to collect a rock ...

Perseverance recently collected its 14th Mars rock sample but was unable to seal the tube. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's ...

A number of potential sources can cause chronic flare and stack sampling issues. These issues in petrochemical and refining operations (Figure 1) are caused by poorly or inaccurate specified sampling ...

In the two-sample problem under random censorship we consider the uncensored observations and the censored ones as two separate groups. For each group a suitable rank statistic is obtained, and these ...