Evan Holyfield, who followed in his famous father Evander Holyfield's footsteps, hopes to fight professionally again after a stunning diagnosis. The 26-year-old had lived his entire life with a "malignant" coronary anomaly, a congenital birth defect that left him at risk of a heart attack or sudden cardiac death, and the only way forward was open-heart surgery.
Astronomers have discovered a super-Earth, TOI-715 b, in a potentially habitable zone around a red dwarf star 137 light-years away. This planet, which is ab .