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
Editors of EarthSky
Mars to lose a moon, gain a ring
Mars’ large moon Phobos is slowly falling toward the planet. In 20-40 million years, it'll shatter, and its pieces will form a Saturn-like ring around Mars.
November 26, 2015
Tiny, ultracool star is super stormy
"If we lived around a star like this one, we wouldn't have any satellite communications. In fact, it might be extremely difficult for life to evolve at all ..." said Harvard astrophysicist.
November 20, 2015
Most Earthlike exoplanet is uninhabitable
Kepler-438b - 470 light years from Earth - ranks highest on the Earth Similarity Index. But radiation from its violent parent star makes it uninhabitable.
November 18, 2015
Mars rover heads for active dunes
No Mars rover has yet visited a sand dune, as opposed to smaller sand ripples or drifts. Curiosity will visit actual Mars dunes in the next few days.
November 17, 2015
Video: Why your body is amazing
Some fun for a Friday, from the guys at AsapScience.
November 13, 2015
An ocean in the sky
The star Fomalhaut shines in lonely splendor on these November evenings. Look south from the Northern Hemisphere - more overhead from the Southern Hemisphere. The region of the sky around Fomalhaut is known as a celestial ocean.
November 7, 2015
Solar wind likely stripped Martian atmosphere
Mars was once warm and wet, say scientists. But most of the water from its atmosphere was likely stripped away by solar winds.
November 6, 2015
Peeling back layers of a warm Neptune
Astronomers have discovered an immense hydrogen cloud streaming off a Neptune-sized exoplanet. The planet's atmosphere is evaporating, say scientists.
November 3, 2015
Life on Earth began 4.1 billion years ago, says study
New evidence suggests that life on Earth began 300 million years earlier than previously documented, pushing the origin of life close to when the planet formed.
October 27, 2015
