Narrowing down the search is essential for gaining time on a high-powered telescope that could spot the hypothesized planet directly.

Kimberly M. S. Cartier
Kimberly M. S. Cartier, Senior Science Reporter for Eos.org, joined the Eos staff in 2017 after earning her Ph.D. studying extrasolar planets. Kimberly covers space science, climate change, and STEM diversity, justice, and education
Rocky Exoplanet May Have Magnetic Field
Magnetic interactions between stellar wind and the planet likely caused extrasolar space weather.
Climate Change Knocks It Out of the Park
A climate curve ball: Short-term gains in home runs might soon give way to long-term problems when it gets too hot to play.
Quaoar’s Ring Defies Gravity
The dwarf planet’s ring makes astronomers question whether a long-held theory about ring and moon formation needs tweaking.
Complex Organic Ices Discovered in a Star-Forming Cloud
The presence of complex organic molecules such as methanol, ethanol, and acetaldehyde in a molecular cloud suggests that these and simpler ices might be available to planetary systems right from the start.
Ants Aren’t Adapting to Warmer Temperatures
Foraging in hotter-than-desired temperatures could negatively affect ants’ biology and the forest ecosystems that they support.
Starry Nights Are Disappearing
Stars dim as the sky gets brighter, a result of expanding cities and bright LEDs. Simple low-tech changes can help preserve dark night skies.
Biden Calls Climate Change “Existential Threat”
Wildfires, flooding, and green energy also appeared—briefly—in the president’s second State of the Union address.
Sedimentos lacustres registran el legado del carbón de Carolina del Norte
Los lagos contaminados con cenizas de carbón se encuentran en áreas residenciales y recreativas, provocando preocupaciones por la salud de los residentes locales y los ecosistemas.
Seaports Could Lose $67 Billion Yearly from Natural Disasters
Small islands and low-income nations face the largest relative monetary losses to their ports and maritime trade.