Expert Voices

Over 100 different meteorite fragments collected by famed space rock hunter Geoffrey Notkin are currently up for bidding from Heritage Auctions.

The race is on. We are in a Sputnik moment — a sudden and important recognition that we are about to lose the heavens if we do not act with clarity and unity.

After a year without people, the sky would be bluer, the air clearer. The wind and the rain would scrub clean the surface of the Earth; all the smog and dust that humans make would be gone.

Even during times of conflict on the ground, space has historically been an arena of collaboration among nations. But trends in the past decade suggest the nature of cooperation in space is shifting.

Mathematician Per Enflo, who solved a huge chunk of the 'invariant subspaces problem' decades ago, may have just finished his work.

The European Space Agency’s (ESA) Euclid satellite completed the first part of its long journey into space on May 1, 2023, when it arrived in Florida on a boat from Italy.

AI has now spread into every field of astronomy and is helping astronomers learn more about the universe at an astonishing rate.

Lunar exploration is undergoing a renaissance. Dozens of missions, organized by multiple space agencies – and increasingly by commercial companies – are set to visit the moon by the end of this decade.

Headlines proclaiming the rise of a new "space race" between the U.S. and China have become common in news coverage following many of the exciting launches in recent years.

A large population of small black holes could have flooded the young cosmos with particles and radiation, creating their own black hole-powered Big Bang, physicists propose in a new paper.

These cosmic rays typically come from the extremely distant universe, from ultrapowerful events such as supernovas and quasars.

With NASA's leadership and global involvement, we are entering a period that will define the future of space exploration: the Artemis Generation.

The Emirates Mars Mission is helping scientists form a new understanding of the Red Planet's atmosphere, including its intriguing auroras.

Only rarely do we see or hear about skilled tradespeople receiving the accolades they so rightfully deserve within the space community, and we feel that this is an injustice that must be rectified.

Mercury is so strange that astronomers have not been able to explain its properties with simulations of the solar system's formation. But now, researchers have found an important clue.

In spaceflight, we advance by learning from our mistakes — if, that is, we accept the learning we gain from those failures and apply it to our future endeavors.

The Air Force general overseeing North American airspace refused to rule out extraterrestrial forces at play after unidentified objects were shot down in February.

Scientists and government agencies have been worried about the space junk surrounding Earth for decades. But humanity's starry ambitions are farther reaching than the space just around Earth.

On Jan. 31, 2023, Boeing completed its last 747, the airplane that helped make international air travel affordable.