A view of the outside of the OSIRIS-REx sample collector. Sample material from asteroid Bennu can be seen on the middle right. I’m a professor of astronomy. I use moon and Mars rocks in my teaching ...

It's finally open. After months of anticipation, NASA's OSIRIS-REx mission has achieved a significant milestone by successfully accessing the treasure trove of asteroid material that the probe ...

An image taken by the OSIRIS-REx spacecraft of its sampling head shows a cloud of material taken from the surface of asteroid Bennu leaking out of a small gap in the lid of the sampling mechanism.

The once inaccessible sample container has been fully opened, and NASA has released the numbers. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

To produce high-quality cement, the mineralogical and chemical composition of raw materials, as well as of intermediate and finished products, needs to be determined. At each stage of the production ...