San Francisco's Blue Hall and Mexico City's senate building.

On Friday night, eight extremists wearing explosive belts attacked several venues across Paris, killing 129 people at restaurants, the Bataclan concert hall and in the vicinity of the Stade de France stadium.

In a separate development on October 31, a Russian Airbus A-321 en route from Sharm el-Sheikh to St. Petersburg crashed over Egypt's Sinai Peninsula, killing all 224 people onboard. The cause of the crash has yet to be determined, with some analysts pointing to the possibility of a terrorist attack. The infamous terrorist group ISIL has claimed responsibility for both evenNASA's TESS mission announces a roundup from its first year of exoplanet-hunting in the southern sky, introducing us to some of our planetary neighbors.

Scientists with NASA’s Transiting Exoplanet Survey Satellite (TESS) mission have announced a roundup of the mission’s first year of exoplanet hunting at the meeting of the American Astronomical Society in Honolulu.

From July 2018 to July 2019, TESS hunted for planets in the southern sky, revealing more than 1,100 planet candidates. (Including data from the second year, that number climbs to more than 1,500.) Of these, 37 — so far — have been confirmed via follow-up observations and published in peer-reviewed journals. The first-year catalog will be available in an upcoming issue of Astrophysical Journal Supplements, says Natalia Guerrero (MIT).

The public, used to the treasure trove