Six planets grace the sky this month in what's called a planetary parade — Venus, Mars, Jupiter and Saturn are visible to the ...

It encompasses cold dark matter (CDM), normal matter and radiation, and the cosmological constant (Λ), which accounts for dark energy. The model has been successful in explaining several ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.

"As yet, nobody has managed to understand what gives rise to this strange phenomenon, and explaining dark energy remains one ...

The discovery that the universe was dominated by this constant energy shocked everyone, especially as Einstein had called the cosmological constant his "biggest blunder." Today, cosmologists still ...

The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

To combat this, Einstein introduced a "fudge factor" to his equations called "the cosmological constant” represented by the Greek letter lambda, that would counteract gravity and stop the ...

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more differences in temperature anywhere, which means thermodynamics shuts down, ...