Comet C/2013 US10 (Catalina) passes near globular cluster NGC 5466 in Bootes on the morning of January 6, 2016. Click … More

An ancient group of galaxies is the most massive ever found in the first few billion years of the universe, … More

There’s a lot more ‘Martian’ than what you saw in the theatre. Producer Aditya Sood & Space.com’s @DavidSkyBrody take the … More

Perched on the southern wall of Marathon Valley at Endeavour Crater, Opportunity braved temperatures descending well below -100° F in … More

Building a space infrastructure is doubtless a prerequisite for interstellar flight. But the questions we need to answer in the … More

This NASA/ESA Hubble Space Telescope image shows the spiral galaxy NGC 4845, located over 65 million light-years away in the … More

This NASA/ESA Hubble Space Telescope image shows the spiral galaxy NGC 4845, located over 65 million light-years away in the … More

Researchers from Australia and the USA have discovered a distant, ancient cloud of gas that may contain the signature of … More

A trio of brightly pulsating stars at the outskirts of the Milky Way is racing away from the galaxy and … More