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67,517 articles from Yahoo!


MONDAY 13. JULY 2020


Look out, Mars: Here we come with a fleet of spacecraft

Mars is about to be invaded by planet Earth — big time. Three countries — the United States, China and the United Arab Emirates — are sending unmanned spacecraft to the red planet in quick succession beginning this week, in the most sweeping effort yet to seek signs of ancient microscopic life while scouting out the place for future astronauts. The U.S., for its part, is dispatching a...


SUNDAY 12. JULY 2020


How to Reopen Schools: What Science and Other Countries Teach Us

As school districts across the United States consider whether and how to restart in-person classes, their challenge is complicated by a pair of fundamental uncertainties: No nation has tried to send children back to school with the virus raging at levels like America's, and the scientific research about transmission in classrooms is limited.The World Health Organization has now concluded that...


SATURDAY 11. JULY 2020


Conservation groups upset by North Cascades grizzly decision

The forested mountains in and around North Cascades National Park in north central Washington state have long been considered prime habitat for threatened grizzly bears, so environmental groups are upset the Trump administration scrapped plans to reintroduce the apex predators there. U.S. Secretary of the Interior David L. Bernhardt on Tuesday announced his agency will not conduct the...

The quest to find signs of ancient life on Mars

Mars may now be considered a barren, icy desert but did Earth's nearest neighbour once harbour life? Now three space exploration projects are gearing up to launch some of the most ambitious bids yet to find an answer. The new Mars probes from the United States, United Arab Emirates and China will launch this...


FRIDAY 10. JULY 2020


Comet streaking past Earth, providing spectacular show

A newly discovered comet is streaking past Earth, providing a stunning nighttime show after buzzing the sun and expanding its tail. NASA's Neowise infrared space telescope discovered the comet in March. Its nucleus is covered with sooty material dating back to the origin of our solar system 4.6 billion years...

NASA is making new rules to prevent space from being contaminated with Earth germs

NASA has updated its Planetary Protection Policies to reduce the spread of Earth germs in the vastness of space. In any case, no matter how small we -- and especially our germs -- are compared to the cosmos, dirt is dirt, and the US's National Aeronautics and Space Administration wants to keep outer space contamination to a minimum. To prevent humans from ever getting into a spat with...

A trio of Mars missions in the starting blocks

The summer race to land a space probe on Mars is off to a hot start. Three countries -- The Hope Probe (United Arab Emirates), Tianwen-1 (China) and Mars 2020 (United States) -- have all taken their positions, hoping to take advantage of the period of time when the Earth and Mars are nearest: a mere 55 million kilometres (34 million miles) apart. Space agencies from all three nations plan to...


THURSDAY 9. JULY 2020