Recent Events

Gamma Ray Bursts

An explanation of the most spectacular explosions in the universe, and their possible impact on life

Resistance to New Ideas

Many of the most important advances in scientific understanding were initially rejected or ignored.

The Need for Science Funding

In an era of global science, other nations are increasing their science budgets. Why aren't we?

Cosmos: Solar Systems

Stellar death explosions produce massive gas and dust clouds, and some of that detritus becomes solar systems ...

Life: Defining Life

The fine line between animate and inanimate, and between quasi-life and life. ....

Glacial Moraines

Evidence for ancient glaciers and their rocky deposits conflicted with the 18th century's Biblical perspective

How Solar Systems Form: Puzzles and Possibilities

Astronomer Joan Najita explains the challenge of understanding how planetary systems are created.

The Tumultuous Milky Way and Its Satellite Galaxies

How do spiral galaxies like our Milky Way form?

Understanding How Life Began

Molecules in meteorites met with an optimal chemical environment on Earth

The Evolution of Photosynthesis

How photosynthesis --and life-- emerged in Earth's ancient chemical environment

Sustainability Science: Biodiversity and Community

The distinguished ecologist Kamal Bawa talks about his new book on the Himalayas, his research, and his ATREE institute

Accelerated Climate Change: Can Nature Adapt?

Changes in habitat and breeding patterns due to rapid climate change...

Harnessing the Bioelectric Potential of Cells for Regeneration

Can bioelectric signals in cells be exploited for regeneration of limbs and tissue?

Conflicting Science on the Safety of Genetically Modified Food

Many nations prohibit GMO foods, but the US doesn't even require labeling. What can science tell us about GMOs?

Energy Revolution!

Conversion to wind and solar power is possible now in the U.S.

Innovations in Clean Water Technology

Desalination offers a solution to the water shortage problem...

Today's Featured Contributors

Featured Author

David Stipp

Clear and accurate information about the prospects for healthy aging

Featured Guest

Meet Mario Livio, PhD

A leading astrophysicist with a great gift for communicating complex science concepts to the nonspecialist