A solar flare eruption from earlier this week is expected to reach Earth on Saturday and Sunday, creating the potential for the aurora borealis to be visible across large parts of the U.S.
A mysterious signal that appeared to be emanating from Proxima Centauri put scientists on a hunt to track down its source. What they found was that it had a decidedly earthbound origin.
Maria Laura Rojas admits that climate change has not had an impact on her own life. But with empathy and determination, she'll speak out for the most vulnerable at the COP26 summit.
Pandemic predictions have been made — and then things would change. But based on models and studies (including a 1980s test that squirted virus up human noses), researchers have a new endgame thesis.
Astrophysicist Erika Hamden spent 10 years building FIREBall, a telescope that reaches the stratosphere and looks for clues to how stars form. Launching it was more challenging than she ever imagined.
mRNA vaccines are groundbreaking—but the mRNA inside them is fragile. Kathryn Whitehead explains how scientists have created the right "packing material" to safely deliver these to the right cells.
In rural areas, basic health care can be out of reach. Keller Rinaudo founded Zipline, a delivery company that uses drones to deliver necessary medical supplies within hours, even minutes.
Although spiders are sometimes thought of as being creepy crawly animals, new evidence suggests some get scared and assess danger in almost the same way as humans.