The sample, collected from the 4.5 billion-year-old near-Earth asteroid Bennu in October 2020 by NASA’s OSIRIS-REx mission, arrived on Earth in a capsule on September 24, dropping from the ...

Isotopes are forms of a chemical element with specific properties. ... Naturally occurring stable isotopes such as isotopes of hydrogen are used by measuring their amounts and ratio in samples of ...

Unprecedented asteroid sample contains ‘crucial elements,’ NASA says in historic reveal By Ashley Strickland , CNN 5 minute read ...

The sample, collected from the 4.5 billion-year-old near-Earth asteroid Bennu in October 2020 by NASA’s OSIRIS-REx mission, arrived on Earth in a capsule on September 24, dropping from the ...