A robot is seen on Mount Etna, Italy on July 4, 2017. Mount Etna, in Sicily, is a test bed for the approximately three-foot high, four-wheeled machine ahead of a future mission to the moon. It is being conducted by the German Aerospace Centre, the agency which runs Germany's space programme. (Photo by Antonio Parrinello/Reuters)

Penitentes, or nieves penitentes (Spanish for “penitent-shaped snows”), are a snow formation found at high altitudes. They take the form of tall thin blades of hardened snow or ice, closely spaced with the blades oriented towards the general direction of the sun.

Two dogs sent into outer space by the Soviet Union after their safe return to earth. They spent 22 days in orbit. (Photo by Central Press/Getty Images). 22nd March 1966

Models Felicia Verna and Crystal Boyd wearing Stacey Angela during the Fallen Hearts Fashion Experience at Symphony Space on May 31, 2011 in New York City. (Photo by Jemal Countess/Getty Images)

Microsoft co-founder Paul Allen has spent the last six years working on a giant aircraft capable of launching rockets to space. Today, his company Stratolaunch Systems literally rolled that plane out of its hangar in the Mojave Desert for the first time ever.

Montegut fire chief Toby Henry walks back to his fire truck in the rain as firefighters cut through trees on the road in Bourg, Louisiana as Hurricane Ida passes on August 29, 2021. Hurricane Ida struck the coast of Louisiana on August 29 as a powerful Category 4 storm, 16 years to the day after deadly Hurricane Katrina devastated the southern US city of New Orleans. “Extremely dangerous Category 4 Hurricane Ida makes landfall near Port Fourchon, Louisiana”, the National Hurricane Center wrote in an advisory. (Photo by Mark Felix/AFP Photo)

“Maria Rosaria (Mara) Carfagna (born December 18, 1975 in Salerno) is an Italian politician and former showgirl and topless model. After obtaining a degree in law, Carfagna worked for several years on Italian television shows and as a model. She later entered politics and was elected to the Chamber of Deputies for Forza Italia party in 2006. On May 8, 2008, Prime Minister Silvio Berlusconi appointed her Minister for Equal Opportunity, a move that received international attention due to her background and her appearance. Carfagna has been called «The most beautiful minister in the world», and was ranked number one on Maxim's «World´s Hottest Politicians»”.

Photo: Minister Mara Carfagna attends a press conference for the Pink Box Project held at Palazzo Marino on November 24, 2008 in Milan, Italy. The Pink Box is a tracking device, designed to help women drivers in danger. (Photo by Vittorio Zunino Celotto/Getty Images). MILAN, ITALY – NOVEMBER 24 2008

Artist Sergio Albiac has launched an experiment in generative portraiture that uses images taken by the Hubble Space Telescope to build up images of people