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Rebecca Zisser / Axios

Powerful telescopes and sophisticated analytical tools are allowing scientists to see further into the cosmos. The list of places that could conceivably be home to life is growing. Last week NASA announced Saturn's moon Enceladus could support life and today scientists reported the discovery of a super-Earth in the habitable zone of a small star near our solar system.

We seem to be entering a new phase of discovery in an age-old quest to determine if there is life beyond Earth. We have targets in that search, but what exactly are we are looking for?

We asked four researchers to weigh in on that head-scratcher of a question:

Go deeper

Laurel Hubbard to become 1st openly trans athlete to compete at Olympics

New Zealand's Laurel Hubbard at the Gold Coast 2018 Commonwealth Games in Australia, when she became the first openly transgender athlete to represent NZ. Photo: Scott Barbour/Getty Images

The New Zealand Olympic Committee has announced that Laurel Hubbard has been selected for the women's weightlifting team for the Tokyo Games — making her the first openly transgender athlete to compete at the event.

The big picture: Hubbard, 43, is part of a five-member Kiwi weightlifting team and will compete in the women's super heavyweight category. Meanwhile, BMX rider Chelsea Wolfe will become the first openly trans athlete to travel to the Olympics with Team USA, when she arrives in Tokyo as a reserve rider.

American Airlines cuts hundreds of flights amid demand surge

Photo: Joe Raedle/Getty Images

American Airlines announced Sunday that it's cutting some 950 flights from its schedule, including 296 this weekend, to reduce potential pressure on its operations, the Wall Street Journal first reported.

Driving the news: The U.S. vaccine rollout has led to a massive increase in travel bookings. The airline noted in an emailed statement that it's facing an "incredibly quick ramp up of customer demand."

Updated 5 hours ago - Politics & Policy

Florida Pride parade fatal crash a "tragic accident," police say

Participants walk away as police investigate the scene where a pickup truck drove into a crowd of people at a Pride parade in Wilton Manors, Florida, on Saturday. Photo: Jason Koerner/Getty Images

Police said Sunday they believe a driver unintentionally hit spectators at a weekend Pride parade in Wilton Manors, Florida, resulting in the death of one man and leaving another person hospitalized.

The latest: Addressing speculation that the crash may have been a hate crime against the LGBTQ community, Wilton Manors police chief Gary Blocker said in a statement: "Today we know yesterday's incident was a tragic accident, and not a criminal act directed at anyone, or any group of individuals."