Astronomy

Mice with a handful of cancerous cells in their lungs experienced a 100-fold increase to this number after being infected with swine flu

Mice with a handful of cancerous cells in their lungs experienced a 100-fold increase to this number after being infected with swine flu

Russia’s magnitude 8.8 earthquake spawned serious tsunami warnings, but waves have been moderate so far. Here’s the geological reason why

Researchers and therapists explore the mental health benefits of tabletop role-playing games like Dungeons and Dragons.

A giant stick insect species found in Australia’s Wet Tropics named Acrophylla alta can reach 40 centimetres in length and weigh 44 grams

A giant stick insect species found in Australia’s Wet Tropics named Acrophylla alta can reach 40 centimetres in length and weigh 44 grams

Europe’s forests play a crucial role in removing carbon dioxide from the atmosphere, but research led by the European Commission’s Joint Research Centre has found their capacity to absorb carbon dioxide has declined in the past decade.

Satellites don't stop at borders and neither should science.

Russia’s earthquake was estimated at magnitude 8.8, among the strongest since scientists began monitoring

More than one star contributes to the irregular shape of NGC 6072 – Webb’s newest look at this planetary nebula in the near- and mid-infrared shows what may appear as a very messy scene resembling splattered paint. However, the unusual, asymmetrical scene hints at more complicated mechanisms underway, as the star central to the scene approaches the very final stages of its life and expels shells of material, losing up to 80 percent of its mass.

The satellite will scan the Earth twice every 12 days.

The White House has now fully embraced bomb-prone nuclear fuel technology. This should stop before an arms race, atomic terrorism or even nuclear war results

Water usually flows downward, but something strange happened under Greenland’s ice sheet when a deluge punched through the surface to scour an area nearly twice the size of New York’s Central Park

NASA’s Exploration Ground Systems’ Program Manager Shawn Quinn captured this image of the Hadley–Apennine region of the moon including the Apollo 15 landing site (very near the edge of the shadow of one of the lunar mountains in the area).

A mysterious residue inside a set of ancient Greek pots from Paestum, Italy, has now been identified as honey thanks to modern chemical analysis

A mysterious residue inside a set of ancient Greek pots from Paestum, Italy, has now been identified as honey thanks to modern chemical analysis

Explore Scientific American’s most fascinating magazine covers

Put your science knowledge to the test with this week’s news quiz. Play now.

Dive into the quirkiest and most fascinating tales from Scientific American’s 180-year archive

The International Astronomical Union has recommended brightness limits for satellites, but companies aren't abiding by them.

The post Satellite Constellations Are Too Bright for Astronomy appeared first on Sky & Telescope.