Morning Overview on MSN

What if dark energy is wrong? A new model shakes up cosmology

For a quarter century, cosmology has rested on a simple but audacious idea: that a fixed “cosmological constant” drives the ...
BBC

Six graphics that explain climate change

A breakthrough deal to attempt to limit global temperature rises was agreed at a conference of world nations in December 2015. These charts from the time show how and why the Earth’s climate is ...