Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Posts by
Eleanor Imster
Butterfly trio
Crystal Kolb captured these 3 butterflies along a pathway behind her house in Bedford, Pennsylvania, this past Saturday morning.
August 8, 2019
How do monarch butterflies know when it’s time to migrate?
Overwintering monarch butterflies rely on a temperature-sensitive internal timer to wake them up to make the trip back north, researchers report.
August 7, 2019
How mosquitoes find us
For mosquitoes, finding the next blood meal is all about smelling and seeing. It's our breath that gives us away.
August 5, 2019
What does a marsquake feel like?
Quakes look and feel different depending on the material their seismic waves pass through. This new video compares marsquakes to moonquakes and quakes here on Earth.
August 2, 2019
Ten million stars
When you see it with your unaided eye, Omega Centauri looks like a fuzzy, faint star. But it is, in fact, a collection of 10 million stars.
July 30, 2019
June 2019 hottest on record for globe
Last month was the planet's hottest June in NOAA's climate record, which dates back to 1880. Also last month, Antarctic sea ice coverage shrank to new record low.
July 24, 2019
Joshua trees facing extinction
They outlived mammoths and saber-toothed tigers. But new research suggests that without dramatic action to reduce climate change, Joshua trees won’t survive much past this century.
July 23, 2019
Morning moon
Photographer Lee Capps captured this week's morning moon from North Carolina. Thanks, Lee!
July 20, 2019
Ancient hyenas roamed the Arctic
The ice age hyenas may have hunted caribou and horses, or scavenged carcasses of mammoths on a cold treeless tundra, says a study of 2 fossil teeth.
July 18, 2019
