Reuters Science News Summary

Following is a summary of current science news briefs. Siberian cave findings shed light on enigmatic extinct human species

Scientists using sophisticated techniques to determine the age of bone fragments, teeth and artifacts unearthed in a Siberian cave have provided new insight into a mysterious extinct human species that may have been more advanced than previously known. Research published on Wednesday shed light on the species called Denisovans, known only from scrappy remains from Denisova Cave in the foothills of the Altai Mountains in Russia. Russian rocket glitch to delay satellite launch for U.S. startup OneWeb

The launch of a Russian Soyuz rocket set to carry satellites into space for U.S startup OneWeb has been delayed after an anomaly was discovered on the rocket, company chairman Greg Wyler said on Thursday. The rocket was set to take off next month from Guiana Space Centre propelling the first of a series of satellites into orbit that Virginia-based startup OneWeb plans to use to create a worldwide internet service. Jeff Bezos' Blue Origin signs launch deal with Canada's Telesat

Jeff Bezos' rocket company, Blue Origin, has signed a deal with Canada's Telesat to launch part of a satellite constellation aimed at providing speedy internet access to governments and businesses globally, the companies said on Thursday. The contract adds an important customer to Blue Origin's manifest as Bezos' space venture works to grab a share of the lucrative but crowded launch services market with its still-in-development heavy-lift New Glenn rocket planned for 2021. Defect found on Russian rocket ahead of U.S. OneWeb launch: agencies

A defect has been discovered on part of a Russian space rocket that is due to launch next month carrying satellites into orbit for U.S. startup OneWeb, two Russian news agencies reported on Wednesday. The Russian Soyuz is scheduled to blast off from Guiana Space Centre carrying the first satellites into space for Virginia-based startup OneWeb, which plans to create a worldwide internet service using a network of satellites.