Earth will capture a miniature, “second moon” this week, according to NASA scientists. The new moon is actually a tiny...
Solar wind is a never-ending stream of charged particles coming from the sun. Rather than a constant breeze, this wind...
In a new study, a team of researchers suggests that 4 billion years ago, plate tectonics likely looked closer to...
Long ago, flowing wind and water shaped Mars’s malleable sand and sediment into dunes, ripples and other landscape patterns, called...
An international group of researchers including University of Arizona astronomers, using NASA’s James Webb Space Telescope, has observed the atmosphere...
One way to understand the potential for life on far-off planets—those in other solar systems that orbit different stars—is to...
Astronomers have spotted the biggest pair of black hole jets ever seen, spanning 23 million light-years in total length. That’s...
One of the most surprising predictions of physics is entanglement, a phenomenon where objects can be some distance apart but...
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to...
A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us...
By staring into the hellish landscape of Jupiter’s moon Io—the most volcanically active location in the solar system—Cornell astronomers have...
The rings of Saturn are among the most famous and spectacular features in the solar system. Earth may once have...
